X'1044' MSC DEST BLOCK NOT EXPECTED CNT
Explanation
The control block returned by FINDEST representing the source name at MSGMSONM is not an LTERM CNT.
Programmer response
Locate the MSGMSONM name in the message prefix, and verify that it is a valid local LTERM. The CNT control block address returned by FINDEST is in REG1 in the REG14-12 save area, and the block is at QTPDST.