Troubleshoot issues with Microsoft SharePoint Foundation

This article is not applied to SharePoint Foundation 2013.
If you're using SharePoint Foundation, please look for "SharePoint Foundation 2013" articles.

If you're experiencing the following SharePoint error:

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An unexpected error has occurred.
Technical Details

Troubleshoot issues with Microsoft SharePoint Foundation.

Try this approach first:

  1. Revert to the default master
    • navigate to URL: https://YOUR_SITE/_layouts/15/ChangeSiteMasterPage.aspx and set to the seatle master.
  2. Deactivate your theme solution (at https://YOUR_SITE/_catalogs/solutions/Forms/AllItems.aspx)
  3. Remove the solution (page 13 from your user guide) 
  4. Install it from scratch (page 11 from your user guide)


If it didn't work, please submit a new request.

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