ORA-13588
Drop Hub failed: string
Cause
The Automatic Workload Repository Hub (AWRHub) Drop Hub operation failed due to some errors.
Action
Check the config state of the AWRHub Server. If it remains Active then the operation can be rerun. If Drop Hub has completed paritially, it will be reattempted at a later time automatically. Alternatively, Drop Hub can be called again manually. If Drop Hub fails 3 times AWRHub will be moved to a Corrupted state.