Description: SCRIPT5009: 'xxxJavascript Control' is undefined. Cause: The error happens because javascript files required for the QuickApps Web Parts are missing. This occurrence has been observed to happen when a Web Application is deleted. Resolution: Check to see if the javascript files are found in the following location: %program files%Common Files%Microsoft Shared%Web Server Extensions%wpresources If the files are not found, reinstall QuickApps.