A duplicate volume serial number, VOLSER, has been detected in the volume list for a tape or DASD multivolume data set. All serial numbers in the volume list should be unique. The message text includes the volume sequence positions in the volume list of the duplicated volume serial number.
Processing continues. The system will ignore the duplicated volume in the volume list.
None
Probable user error. If the system administrator determines this condition should always be considered an error, the MPF (Message Processing Facility) can be used to detect the message and abend the job before data is overwritten or reread.
None
Probable user error. Check whether duplicating volume serial numbers in the volume list is intentional.
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