Oracle Solution for Error ora-16656

Solution for Oracle Error ORA-16656

ORA-16656: Data Guard broker detected role change

What triggered the Error:

The Data Guard broker detected a role during database startup or health check.

What should we do to fix it:

Additional information about this failure is recorded in the Data Guard broker log files, one for the primary database and one for each standby database in the Data Guard configuration. This information is helpful in determining how best to proceed from this failure.