Oracle : Ошибка ORA-09978

"skxfqhdel: Error Disconnecting from another endpoint."
*Cause: The process was unable to disconnect cleanly from another endpoint.
*Action: Check that the other node(s) are part of the cluster and operating
properly. Check the instance and processes on the other node(s).
Correct the operating system error and retry the operation.

Попробовать перевести

Поискать эту ошибку на форуме