Oracle : Ошибка ORA-27375

"valid agent name must be specified for secure queues"
*Cause: The queue specified for the event based job or schedule was
a secure queue and either no agent name was specified or
an invalid agent name was specified.
*Action: If no agent name was specified, retry the call with a valid
agent name. If the agent name was valid, check if the agent
is currently subscribed to the queue and, in the case of jobs,
check is the agent has been authorized to act as the job

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