Periodic task manager contains failed tasks "Synchronize resource usage for APS application instance #00001 (Plesk in VPS Panel)" without any particular error. The task may be related to non existent instance.
Those tasks must not be listed there.
They were created as a result of bug #APS-21573 which was already fixed in OA 7.0, however consequences remained.
The tasks were created for those instances which have no records in
To remove the task and add the necessary records to DB contact Odin Technical Support