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Cannot save property of type PropertyDropDownList



I'm working on an version of CMS. The site has been upgraded from CMS 6 R2.

I have a property of type PropertyDropDownList that looks like this in the page class:

[Display(Order = 333, GroupName = TabNames.Content)]
public virtual string Manufacturer { get; set; }


Note: The PropertyDropDownList is comming from EPiServer.SpecializedProperties, and is not custom made.

When I try to edit and save this property in adminmode (i.e editing values already existing in the property), I get this error:

  • Property PropertySettings has unknown type EPiServer.Editor.HtmlEditorSettings, EPiServer, Version=6.1.379.0, Culture=neutral, PublicKeyToken=8fe83dea738b45b7

Anybody has any clue what I can do to fix this?

Nov 12, 2015 15:02


Did you try to use admin action "Reset to default" on this property?

Nov 12, 2015 19:32

Hi Grzegorz

I tried it, and it didn't make any difference.

Nov 13, 2015 8:50

I just realised that the changes actually is getting saved despite the errormessage. So I seems it's actually just an annoying errormessage.

Nov 13, 2015 13:42
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