[CLOSED] Token is not unique

What causes TokenNotUniqueException? This is coming from the new Transformer.NET class. And, what does the following error message tell me?

Token is not unique
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Code:

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ID = ctl00_MainContent_gpnlOrphanedArtifacts_ClientInit
TagName = anchor
Match = <#:anchor id="ctl00_MainContent_gpnlOrphanedArtifacts_ClientInit" />

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I have scoured the grid panel and found no ID's that are duplicated in the program.

Thanks.
-Steve

Do you use gpnlOrphanedArtifacts twice somewhere?
Can you post test sample reproduces the issue?

I had the same exception this morning, the reason simply was that I've accidentialy added the same button twice to a toolbar:

Code:

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        Dim tbButton1 As New Ext.Net.Button()
        tbButton1 .ID = "B1"
        tbButton1 .Text = "Button 1"
        tbButton1 .Handler = "doSomething();"

        Dim tbButton2 As New Ext.Net.Button()
        tbButton2 .ID = "B2"
        tbButton2 .Text = "Button 2"
      tbButton2 .Handler = "doSomething();"


        Dim myToolbar As New Ext.Net.Toolbar()
        myToolbar.ID = "MpToolBar"
        myToolbar.Add(tbButton1)
        myToolbar.Add(tbButton2)
        myToolbar.Add(tbButton1)

        return myToolbar

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