ORA-45925
cannot obtain enqueue_type enqueue for archived log thread al_thread sequence seq_no
- enqueue_type: The enqueue type.
- al_thread: The archived log thread number.
- seq_no: The sequence number.
Cause
The file access enqueue cannot be obtained for a file specified in a backup, copy, or restore operation.
Action
Wait until the conflicting operation is complete, then retry the copy or backup.