2188 (088C) (RC2188): MQRC_STOPPED_BY_CLUSTER_EXIT
Explanation
An MQOPEN, MQPUT, or MQPUT1 call was issued to open or put a message on a cluster queue, but the cluster workload exit rejected the call.
Completion code
MQCC_FAILED
Programmer response
Check the cluster workload exit to ensure that it has been written correctly. Determine why it rejected the call and correct the problem.