UI Action 'Copy Resource Plan' not available as a Related Link for Resource Plan formIssue UI Action 'Copy Resource Plan' not available as a Related Link for Resource Plan formCauseThe "RMUIActionHelper" Script Include was customized and missing a method.Resolution1. Navigate to System Definition > Script Includes2. In the Name column, search for "RMUIActionHelper" and go to the record3. In the Versions related list, right-click the record with the Source of "System Upgrades: glide-madrid..."4. Select "Revert to this version"5. Click OK