Oracle : Ошибка ORA-16548

"database not enabled"
*Cause: An attempt was made to modify or query a disabled database.
This error is also returned on an attempt to enable, modify,
or query a database that the broker has disabled because of a
switchover or failover operation. The broker disables its
management of a database when it detects that the database needs
to be re-created because of a failover or switchover operation.
*Action: If broker management of the database is disabled, enable it
and reissue the request.

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