X'F004' QMRC0 - INVALID FUNCTION PASSED TO ENVIRONMENT STATISTICS ROUTINE

Explanation
 The call to DFSQMRC0 was invalid. Register 0 did not contain X'28' (MRQCLEAN), X'34' (MRQCMD),
or X'38' (MRQGCMD).

Programmer response
 REG0 in the REG0-REG15 save area contains
the function code. REG14 is the address of the caller of DFSQMRC0
(BALR REG). Trace the call back to the caller of DFSQMRC0.