Length is a valid Suboperand only for CHARACTER
Explanation
The LENGTH suboperand specified with the CROSSsystem
report operand can be used with the character user field only. It
is not valid with COUNT, CLOCKTIME, or CLOCKCOUNT user fields.
System action
The suboperand is ignored and processing continues.
User response
Examine the command stream, make the necessary corrections,
and resubmit the job.