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Content Delivery API circular reference - stack overflow

Maciej Mickiewicz
Maciej Mickiewicz
Vote:
 

Hi! We are using Content Delivery API for a model serialization. We are serializing the entire model and pass it to frontend. That means we have to expand all blocks/references. It was working fine till now. When we set expand="*" API expands only 2 levels deep. We can force API in code to expand all references unfortunately it ends with stack overflow exception because of the circular reference.

Example: Page has a block with a content area which might have a reference to our initial Page or parent of that Page and we get a circular dependency. 

Do you have any ideas how to solve this problem? It would be awesome to be able to set how deep the API should expand the properties. Filtering the references which causes the circular dependency might be also some solution. At least for now. 

#226737
Aug 19, 2020 15:48
Tim Schmelter
Tim Schmelter
Vote:
 

Any feedback from Optimizely here? Our website crashed because the frontend team added content to a ContentArea which had a reference to the other content, so a circular reference. How can we prevent that? This was the stacktrace before our site went down:

at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Models.Internal.ContentExpander.Expand(EPiServer.ContentApi.Core.Serialization.Models.ContentModelReference, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyModel.ExtractExpandedValue(System.Globalization.CultureInfo)
   at EPiServer.ContentApi.Core.Serialization.Models.CollectionPropertyModelBase`2[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Expand(System.Globalization.CultureInfo)
   at Vontobel.Corporate.Cms.ContentApiPropertyConverters.ExpandedContentAreaPropertyConverter.Convert(EPiServer.Core.PropertyData, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.ExtractCustomProperties(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.DefaultContentConverter.Convert(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at EPiServer.ContentApi.Core.Serialization.Internal.ContentConvertingService.ConvertToContentApiModel(EPiServer.Core.IContent, EPiServer.ContentApi.Core.Serialization.ConverterContext)
   at Vontobel.Corporate.Core.Services.SettingsToContentApiModelConverter`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Convert(System.__Canon)
   at Vontobel.Corporate.Core.Services.Navigation.NavigationContentApiService+<GetNavigationModelAsync>d__6.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Vontobel.Corporate.Core.Services.Navigation.NavigationContentApiService+<GetNavigationModelAsync>d__6, Vontobel.Corporate.Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].ExecutionContextCallback(System.Object)
   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Vontobel.Corporate.Core.Services.Navigation.NavigationContentApiService+<GetNavigationModelAsync>d__6, Vontobel.Corporate.Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].MoveNext(System.Threading.Thread)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Vontobel.Corporate.Core.Services.Navigation.NavigationContentApiService+<GetNavigationModelAsync>d__6, Vontobel.Corporate.Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].MoveNext()
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Runtime.CompilerServices.IAsyncStateMachineBox, Boolean)
   at System.Threading.Tasks.Task.RunContinuations(System.Object)
   at System.Threading.Tasks.Task`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TrySetResult(System.__Canon)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].SetExistingTaskResult(System.Threading.Tasks.Task`1<System.__Canon>, System.__Canon)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].SetResult(System.__Canon)
   at Vontobel.Corporate.Common.Helpers.SyncToAsyncHelper+<RunAsync>d__0`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Vontobel.Corporate.Common.Helpers.SyncToAsyncHelper+<RunAsync>d__0`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], Vontobel.Corporate.Common, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].ExecutionContextCallback(System.Object)
   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Vontobel.Corporate.Common.Helpers.SyncToAsyncHelper+<RunAsync>d__0`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], Vontobel.Corporate.Common, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].MoveNext(System.Threading.Thread)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Vontobel.Corporate.Common.Helpers.SyncToAsyncHelper+<RunAsync>d__0`1[[System.__Canon, System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], Vontobel.Corporate.Common, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].MoveNext()
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Runtime.CompilerServices.IAsyncStateMachineBox, Boolean)
   at System.Threading.Tasks.Task.RunContinuations(System.Object)
   at System.Threading.Tasks.Task.FinishSlow(Boolean)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(System.Threading.Tasks.Task ByRef, System.Threading.Thread)
   at System.Threading.Tasks.Task.ExecuteEntryUnsafe(System.Threading.Thread)
   at System.Threading.Tasks.Task.ExecuteFromThreadPool(System.Threading.Thread)
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading.PortableThreadPool+WorkerThread.WorkerThreadStart()
   at System.Threading.Thread.StartCallback()
#312062
Edited, Nov 06, 2023 12:16
Quan Mai
Quan Mai
Vote:
 

I think I saw this bug reported a while back. Let me dig for it 

#312066
Nov 06, 2023 14:17
Quan Mai
Quan Mai
Vote:
 

The bug was also about circular reference but in a different part/product.

Maybe we can do some detection here and throw more meaningful errors if you think that would be helpful? Otherwise circular reference detection can be very tricky at the time of editing 

#312111
Nov 07, 2023 7:11
Tim Schmelter - Nov 08, 2023 10:22
Thanks for the feedback. Is there a way to prevent this? So can we detect such a circular reference and validate it in the CMS? We had the issue for example when an ArticlePage was added to it's ContentArea property "Related Articles"(so references to another ArticlePage). Is the issue caused only if we add the same article as related article or even if it's a different page? But it could be that article1 is related to article2 which is related to article1, this must be allowed.

What would be the solution? Don't expand properties that cause this issue?
Quan Mai - Nov 08, 2023 10:34
that's good question. Detect and prevent circular reference can be incredibly tricky. Out of my head, there could be scheduled jobs that does so (they could be too slow to run at saving/loading). for now, yes, the only workaround is to not expand the affected properties
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