A theme with the name “themename 1011” and version already exists on the server.
Problem
When changing the Site Template of a site the following error is shown in the browser:
A theme with the name “templatename 1011” and version already exists on the server.
at Microsoft.SharePoint.Library.SPRequestInternalClass.ApplyTheme(String bstrUrl, String pVal)
at Microsoft.SharePoint.Library.SPRequest.ApplyTheme(String bstrUrl, String pVal)Troubleshoot issues with Windows SharePoint Services.
Solution
- Open the site in SharePoint Designer
- Delete the _themes folder
- Perform an iisreset
- Try again, and it just works
This tip comes from here. Thanks!
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