SNDUSRMSG at V5R3?

Hello,

It crashes with the following error:

       1900 - SNDUSRMSG MSG('POST OF AP CHECKS ALL FILES UPDATED. ENTER G=RUN
       OR  C=CANCEL') VALUES(C G) MSGRPY(&REPLY)
     POST OF AP CHECKS ALL FILES UPDATED. ENTER G=RUN  OR  C=CANCEL
   ? *N
     POST OF AP CHECKS ALL FILES UPDATED. ENTER G=RUN  OR  C=CANCEL
   ? *N
     Tried to refer to all or part of an object that no longer exists.
     Function check. MCH3402 unmonitored by QMHDSEXT at statement *N,
       instruction X'0149'.
     Error occurred in SNDUSRMSG command.
     CPF2559 received by APUCHKCL at 1900. (C D I R)

---
Scott Klement  http://www.scottklement.com