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HomeHomeUsing DNN Platf...Using DNN Platf...Performance and...Performance and...System.ArgumentException in Form and List module MakeThumbnail.ashxSystem.ArgumentException in Form and List module MakeThumbnail.ashx
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5/21/2014 5:51 PM
 

Hello

This exception keeps appearing in the DNN Event Log for our DNN 7.2.2 installation. It appears to be related to the Form and List module, but I'm having trouble debugging. Has anyone seen this before?

System.Exception: Unhandled Error:  ---> System.ArgumentException: An item with the same key has already been added.
   at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
   at DotNetNuke.Entities.Users.UserInfo.get_Social()
   at DotNetNuke.Entities.Users.UserInfo.get_Roles()
   at DotNetNuke.Entities.Users.UserInfo.IsInRole(String role)
   at DotNetNuke.HttpModules.Membership.MembershipModule.AuthenticateRequest(HttpContextBase context, Boolean allowUnknownExtensinons)
   at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
   --- End of inner exception stack trace ---

RawURL: /DesktopModules/UserDefinedTable/MakeThumbnail.ashx?image=logo.gif&w=64&PortalId=1

Thank you

 

 
New Post
11/12/2014 5:45 AM
 

Hi,

I'm getting the excact same Exception and don't really know what has changed in my system. Using 7.3.2 and this has just recently started appearing.

Did you find a solution to this?

Regards

 
New Post
11/13/2014 8:52 PM
 

Hi all,

Have anyone solution for this issuse?

I get error same.

Thanks

 
New Post
1/9/2015 4:15 AM
 
Did any of you find a solution for this?

I'm seeing the exact same error in my event log (50+ every day). In my case they are related to two different modules: Active Forum and Active Social. However, I think it's related to the platform as nothing was changed in these modules .

I'm running DNN 7.3.4.
 
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