Oracle Solution for Error ora-16249

ORA-16249: Terminal apply failed to complete during failover

What triggered the Error:

The logical standby coordinator process terminated abnormally."

What should we do to fix it:

Examine the DBA_LOGSTDBY_EVENTS view for the reason behind the abnormal shutdown, and resolve accordingly. Once the problem has been rectified, reissue the ALTER DATABASE ACTIVATE LOGICAL STANDBY DATABASE command to complete the failover.