TFS 2010 SP1 Server had an installation of sharepoint 2013 foundation.
After applying the page TFS to TFS sharepoint no longer communicates and does not open the page.
The sharepoint was removed and installed the 3.0 that comes with TFS. Now the error ha [FileNotFoundException: Could not load file or assembly 'Microsoft.SharePoint, Version = 15.0.0.0, Culture = neutral, PublicKeyToken = 71e9bce111e9429c'.
How to fix this problem?