3U20I INVALID OPERATION
Cause: The operation field of the control statement contains something other than ADD, REP,
DEL, or END.
System Action: This message is issued on SYSLST only. The book is not updated, and the
remaining control cards are checked for validity only.
Programmer Action: Correct the card in error or remove it from the job stream and resubmit
If the problem recurs, have the
· job stream
· printer output
available for problem determination.
Operator Action: none.
Used with Courtesy and Permission of International Business Machines, Inc.