ORA-38851: cannot mark the current instance (redo thread) as disabled

Cause: The standby switchover or failover operation failed because it needs to mark the current instance (redo thread) as disabled.

Action: Shut down this instance and start up using a different instance name or redo thread number and retry.

Error Type: ORA

• Additional information for ORA-38851: cannot mark the current instance (redo thread) as disabled38851
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