Oracle : Ошибка ORA-16218


"This database is already preparing to switch over."
*Cause: The database was already preparing to switch over and was not
able to accomodate another prepare attempt.
*Action: Cancel the current prepare attempt with the ALTER DATABASE
PREPARE TO SWITCHOVER CANCEL command, then reissue the prepare
request.

Попробовать перевести


Поискать эту ошибку на форуме