ORA-16623: database detected role change

admin

ORA-16623: databasedetected role change
Cause: Asuccessful switchover or failover operation had been completed and
was detected during database startup or broker health check. If this databasewas
unavailable during a switchover or failover operation, it may not be a viable
standby database for the new primary database and was disabled by the Data
Guard broker.
Action: Connectto the new primary database and examine the broker
configuration for databases that were disabled and that may requirereinstatement
or re-creation.