Item has already been added. K

I got this error when clicking on a Node (in the tree) in Content.

Server Error in '/CooperSt-web' Application.

Item has already been added. Key in dictionary: '32' Key being added: '32'

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: Item has already been added. Key in dictionary: '32' Key being added: '32'

Source Error:


An unhandled exception was generated during the execution of the current
 web request. Information regarding the origin and location of the 
exception can be identified using the exception stack trace below.

Stack Trace:

[ArgumentException: Item has already been added. Key in dictionary: '32'  Key being added: '32']
   System.Collections.Hashtable.Insert(Object key, Object nvalue, Boolean add) +9360699
   System.Collections.Hashtable.Add(Object key, Object value) +11
   umbraco.controls.ContentControl.CreateChildControls() +669
   System.Web.UI.Control.EnsureChildControls() +102
   umbraco.controls.ContentControl.OnInit(EventArgs e) +32
   System.Web.UI.Control.InitRecursive(Control namingContainer) +140
   System.Web.UI.Control.AddedControl(Control control, Int32 index) +197
   System.Web.UI.ControlCollection.Add(Control child) +79
   umbraco.cms.presentation.editContent.OnInit(EventArgs e) +1253
   System.Web.UI.Control.InitRecursive(Control namingContainer) +140
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +480

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.225

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Aximili 177 posts 278 karma points

Jul 04, 2011 @ 06:50

0

Sorry about the title, it was an accident, couldn't edit it.

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Aximili 177 posts 278 karma points

Jul 04, 2011 @ 07:06

0

I kept trying for about 30 secs and the problem was still there.

After about 5 mins it's gone.

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Richard Han 19 posts 41 karma points

Apr 23, 2014 @ 08:40

0

Please check http://our.umbraco.org/forum/developers/extending-umbraco/26589-Item-has-already-been-added-Key-in-dictionary?p=0#comment179463 .

Richard

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