A23

Explanation
The system was trying to process a macro instruction
issued by the communications task (COMMTASK).  An error occurred because
an incorrect address was specified.

System action
The system issues messages about the problem.

System programmer response
Search problem reporting data bases
for a fix for the problem. If no fix exists, contact the IBM® Support Center.

Programmer response
Run the job again. If the error persists,
contact the system programmer.

Source
Console services