8221E
IAFTRACE.
The IMS transaction of _beta iaf is unable to pass on a request to DL1 to read a message from the IMS message queue. reqcode is the DL1 request that failed, destname is the DL1 destination name involved, char and hex are the DL1 status codes in character and hexadecimal format.
Operation terminates with user abend U4000.
See IMS Messages and Codes to determine the cause of the error.