WORKAROUND:
Perform below steps to apply patch:
1. Login to Diagnostic Server machine
2. Go to C:\Program Files\Quest Software\Diagnostic Server\Agent\conf\package\sqlserver_spotlight\2000\ folder
3. Make a backup copy of QS_ErrorlogCheck.sql file to another directory outside of this path
4. Save the attached file into C:\Program Files\Quest Software\Diagnostic Server\Agent\conf\package\sqlserver_spotlight\2000 and override the existing one
STATUS:
Issue fixed in the current release of Spotlight on SQL Server Enterprise. Latest version of Spotlight can be downloaded from here.