An item with the same key has already been added.
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: An item with the same key has already been added.
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: An item with the same key has already been added.]
System.ThrowHelper.ThrowArgumentException(ExceptionResource resource) +56
System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add) +10416334
System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value) +12
Microsoft.SharePoint.WebPartPages.DataFormWebPart.ApplyReceivedFilterData() +903
Microsoft.SharePoint.WebPartPages.DataFormWebPart.ApplyReceivedConsumerData() +24
System.Web.UI.WebControls.WebParts.RowCallback.Invoke(Object rowData) +0
Microsoft.SharePoint.WebPartPages.DataFormWebPart.PrepareAndPerformTransform(Boolean bDeferExecuteTransform) +794
Microsoft.SharePoint.WebPartPages.DataFormWebPart.PerformSelect() +72
Microsoft.SharePoint.WebPartPages.DataFormWebPart.DataBind() +346
Microsoft.SharePoint.WebPartPages.DataFormWebPart.EnsureDataBound() +24
Microsoft.SharePoint.WebPartPages.DataFormWebPart.CreateChildControls() +712
System.Web.UI.Control.EnsureChildControls() +146
Microsoft.SharePoint.WebPartPages.DataFormWebPart.Microsoft.SharePoint.WebPartPages.IConnectionData.GetData() +73
Microsoft.SharePoint.WebPartPages.SPWebPartManager.BeginWebPartDataFetch() +200
Microsoft.SharePoint.WebPartPages.SPWebPartManager.ActivateV2Connections() +1228
Microsoft.SharePoint.WebPartPages.SPWebPartManager.ActivateV2ConnectionsAndSharePointDataFetch() +108
Microsoft.SharePoint.WebPartPages.SPWebPartManager.ActivateConnections() +511
System.Web.UI.WebControls.WebParts.WebPartManager.OnPageLoadComplete(Object sender, EventArgs e) +70
System.EventHandler.Invoke(Object sender, EventArgs e) +0
System.Web.UI.Page.OnLoadComplete(EventArgs e) +11042078
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3160
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Version Information: Microsoft .NET Framework Version:2.0.50727.4927; ASP.NET Version:2.0.50727.4927
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