DFS391I This message is variable
Explanation
Anytime a utility must print a general message, it uses this message. No warning or error message uses this number.
Problem determination
2, 3, 8, 36. Also, if running under the Utility Control Facility, rerun the job with a FUNCTION=OP,MSGNUM=391 control statement in the DFSYSIN data set. Supply a SYSUDUMP DD statement to this step.