Rebuilding Link Database Error: Unrecognized Guid format
If you attempt to rebuild the links database in Sitecore 8.2 Update 6, 8.2 Update 7, or 9.0 Update 1 you may run into the following error: This is because Sitecore believes a general link or the deprecated “link” field contains an empty ID attribute. While you could modify the links to add an attribute, but …