SUMMARY field not specified in BY operand – field ignored
Explanation
A character field requested in the SUMMARY(FIELDS
operand is not in the SUMMARY(BY operand list. If eligible BY fields
are specified in the FIELDS list, they must also be specified in the
BY list in the same order.
System action
The field is not processed.
User response
Review the allowed combinations of SUMMARY(BY and
SUMMARY(FIELDS operands.