Oracle Message ORA-25261 - JOB_QUEUE_PROCESSES must be at least 2 for AQ propagation

ERRORJOB_QUEUE_PROCESSES must be at least 2 for AQ propagation
CAUSEAQ Propagator encountered a setting for JOB_QUEUE_PROCESSES that is insufficient for AQ propagation.
ACTIONSet the number of JOB_QUEUE_PROCESSES to at least 2 for AQ propagation.