This happens typically if someone moves files in the operating system while nesting is in progress.
-the below procedure will remove all Jobs from the Jobs and the History tabs.
-if you click Reset Database by mistake your printers and workflows will be deleted. DO NOT CLICK Reset Database!!
-If you are uncomfortable with any steps in this procedure, please let us know and we can log in with Teamviewer and do it for you.
Do an Environment Backup (just in case)
-System, Environment Backup, Create
-If the backup doesn't complete successfully, do not continue, contact support
Shutdown the ColorProof service.
Delete all files from any ColorProof hotfolders
Navigate to C:\Program Files\GMG\ColorProof05
Right click on DbSetup.exe and choose Run as adminstrator
Under Service Functions run Perform Backup
Under Service Functions run Delete all Jobs
Click Setup Db
When complete, click Close
Launch ColorProof. You should be good to go.