251

Explanation
The error occurred during the processing of SETPRT.
 A user-provided area was determined to be incorrect. This system
completion code is accompanied by message IEC918I. Refer to the explanation
of message IEC918I for complete information about the task that was
ended and for an explanation of the return code in register 15.

System action
Message IEC918I is issued.

System programmer response
  If the error recurs and the program
is not in error, look at the messages in the job log for more information.
Search problem reporting data bases for a fix for the problem. If
no fix exists, contact the IBM® Support
Center. Provide the JCL and the program listing for the job.

Programmer response
Make sure that the last entry in the exit
list has a high-order bit set to B'1'. Make sure that any FCB image
entry in the exit list points to a valid FCB image, that the image
is within the user's region, that any FCB image has a valid length
field and that it is ended by an end-of-FCB image indicator.  Correct
the error and rerun the job step.

Source
DFSMSdfp