2301 (08FD) (RC2301): MQRC_MULTIPLE_INSTANCE_ERROR
Explanation
The Selector
parameter specifies a system selector (one of the MQIASY_* values), but the value of the ItemIndex
parameter is not MQIND_NONE. Only one instance of each system selector can exist in the bag.
Completion Code
MQCC_FAILED
Programmer response
Specify MQIND_NONE for the ItemIndex
parameter.