X'A004' QMR50 - UNLOAD - SELECT QUEUE NAME ERROR

Explanation
 The call to DFSQMR20 to select a message queue
name resulted in an error return code of 8 or more.

Programmer response
 REG15 in the REG0-REG15 save area contains
the return code. CMDQNAME in MRQWORK is the queue name being processed
or the last queue name successfully processed. Trace the error back
to DFSQMR20.