Oracle : Ошибка ORA-32827

"Messaging Gateway agent must be shut down"
*Cause: An operation was attempted that requires the Messaging Gateway
agent to be shut down.
*Action: Issue SHUTDOWN, wait for MGW_GATEWAY view to show a NOT_STARTED
status, and retry the operation. CLEANUP_GATEWAY may need to be
issued to reset the gateway state if the agent fails to shut down
after a reasonable time period.

Попробовать перевести

Поискать эту ошибку на форуме