Oracle Error Message
ORA-16547: cannot disable or delete the primary database
Reason for the Error
An attempt was made to disable broker management of the primary database or delete the primary database from the broker configuration while the configuration was enabled.
Solution
If you wish to disable broker management of the primary database when the configuration is enabled, you must instead disable broker management of the entire broker configuration. If you wish to delete the primary database from the broker configuration while the configuration is enabled, you must instead delete the entire broker configuration.