A DEFINE ARPOOL command has been entered with the volser specified. The DEFINE command has failed because the volser has been previously DEFINEd to DFSMShsm with a volume type that is incompatible with the volume type on this DEFINE command or the DEFINE command has used the same volser with both the ML1VOLS and L0VOLS parameters.
The DEFINE command fails. DFSMShsm processing continues.
Correct conflicts and reissue this command.
DFSMShsm