TDP0123 SUBSYSTEM "name" IS IN USE BY OTHER THAN A TDP
Explanation:
TDP found that a subsystem control block in common storage had been created but not by TDP.
Generated By:
TDP.
Notes:
TDP will abnormally terminate. Any TDP subsequently started using the same TDPid will also terminate. Since the control block is in common storage, the condition will persist until the system IPLed.
Remedy:
Choose a different TDPid to start TDP.