Load control template file /_controltemplates/TaxonomyPicker.ascx failed

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

  1. Navigate to /14/TEMPLATE/ControlTemplates/TaxonomyPicker.ascx user control
  2. Open the user control in a text editor and locate the first line
  3. Find the character string , and replace with a comma ‘,’ (without quotes).
  4. Save the user control


Sometimes, the error does not go away even after following the steps listed above. In such cases, the fix is to rename the ‘TaxonomyPicker.ascx’ to  something like ‘TaxonomyPicker.ascx_broken’ so that we do not try to recompile it each time the AppPool is started. The user control is never used  within SharePoint and therefore serves no real purpose.




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