DFS373A DDNAME DFSUCUM0 IS NOT A VALID OLD CHANGE ACCUMULATION DATASET
Explanation
An old accumulated data set was supplied which did not have a header record of the correct format.
System action
Processing terminates with a nonzero return code.
Programmer response
Correct inputs, and resubmit the job.
Problem determination
2, 3, 8, 36. Also, if running under the Utility Control Facility, rerun the job with a FUNCTION=OP,MSGNUM=373 control statement in the DFSYSIN data set. Supply a SYSUDUMP DD statement to this step.