basquang™ on clouds

September 22, 2010

Load control template file /_controltemplates/TaxonomyPicker.ascx failed: SharePoint 2010

Filed under: SharePoint — basquang @ 4:29 AM

Problem:
Numerous errors in the event log of a SharePoint 2010 server with the following error event descriptions:

Load control template file /_controltemplates/TaxonomyPicker.ascx failed: Could not load type 'Microsoft.SharePoint.Portal.WebControls.TaxonomyPicker' from assembly 'Microsoft.SharePoint.Portal, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c'.

and

Load control template file /_controltemplates/ScenarioNavigation.ascx failed: The 'wssuc:ButtonSection' tag has already been registered.

Fix 1:
Locate the file “TaxonomyPicker.ascx” in the Controltemplates directory of the 14 Hive, search for the following line

<%@ Control className="TaxonomyPickerControl" Language="C#" Inherits="Microsoft.SharePoint.Portal.WebControls.TaxonomyPicker,Microsoft.SharePoint.Portal, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>

and replace ‘,’ with ‘,’.

The correct line should look like

<%@ Control className="TaxonomyPickerControl" Language="C#" Inherits="Microsoft.SharePoint.Portal.WebControls.TaxonomyPicker,Microsoft.SharePoint.Portal, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>

Fix 2:
Locate the file “ScenarioNavigation.ascx” in the Controltemplates directory of the 14 Hive, search for a duplicate line of

<%@ Register TagPrefix="wssuc" TagName="ButtonSection" Src="/_controltemplates/ButtonSection.ascx" %>

and delete the second one.

Update:

The second problem seems to be fixed in the RTM version. The “TaxonomyPicker.ascx”-Problem still persists.

Update2:

Fix 1 (“TaxonomyPicker.ascx”) doesn’t apply to the RTM Version anymore as the “TaxonomyPicker” Class seems to be obsolete.
If you want to fix this error simply rename the “TaxonomyPicker.ascx” to something like “TaxonomyPicker.ascxBACKUP” to prevent recompilation by the CLI and the error is gone.

Reference

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1 Comment »

  1. Infact TaxonomyPicker is no longer in use: http://todd-carter.com/post/2010/05/03/Help-Wanted-Taxonomy-Picker.aspx

    Comment by Quang — September 22, 2010 @ 5:15 AM | Reply


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