X'E004' DFSQMRD0 - QC/QSN INVALID CMD CALL
Explanation
DFSQMRD0 was called with an invalid command call.
Programmer response
Check QMRWFL00 in DFSMRQWK for the command in progress. It should be QC-ABE, QC-REL, QC-SND, or QC-SUS. This is an internal IMS or QCF error.