Message Oracle ORA-32831 - timed out trying to acquire administration lock

ERRORtimed out trying to acquire administration lock
CAUSEA timeout occurred when attempting an administration operation. Either an administration operation was attempted while the Messaging Gateway agent was starting and initializing, or two administration operations were attempted at the same time.
ACTIONRetry the operation. If the Messaging Gateway agent is starting, wait for MGW_GATEWAY view to show a RUNNING status and retry the operation.