Source: GroupWise Check utility (GWCheck).
Explanation: GWCheck cannot create a backup copy of the existing database.
Possible Cause: All valid backup database filenames have already been used.
Action: Check for existing backup databases with extensions .dba through .dbz. If all 26 backup extensions have been used, delete old backup databases so valid backup extensions are available.
Possible Cause: Insufficient disk space.
Action: Free up disk space by deleting unneeded files.
Possible Cause: Insufficient rights.
Action: Make sure you have write access to the directory where the database being repaired is located.