-24919: ERR_CLEANUP: cannot free all operational resources after backup operation 

Explanation:

It was not possible to free all of the temporary system resources that were used for a successful backup, check, or restore.

User Action:

Check which resources were not released using the backup log. If the resources are temporary files or pipes, try to remove these manually. You should also attempt to fix the problem with the help of the extended error description. If you cannot solve the problem, contact Support.