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Method not found: 'EPiServer.UI.SystemMessageContainer EPiServer.UI.SystemPageBase.get_SystemMessageContainer()

Angela Trpkovska
Angela Trpkovska
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Hi,

I'm getting the folowwing error when I try to install package to my epi server site which is using EpiServer Framework 7.19.1.
Does anyone know how can I resolve this error?

[MissingMethodException: Method not found: 'EPiServer.UI.SystemMessageContainer EPiServer.UI.SystemPageBase.get_SystemMessageContainer()'.]
   Geta.SEO.Sitemaps.Modules.Geta.SEO.Sitemaps.AdminManageSitemap.OnPreInit(EventArgs e) +0
   System.Web.UI.Page.PerformPreInit() +37
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +296

Thanks!
#171745
Edited, Nov 17, 2016 9:59
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