77D

Explanation
During processing of an EVENTS macro, the system found an error in the macro input
parameters.

Register 15 contains a hexadecimal reason code that explains the error: Code
Explanation
04
A caller issued an incompatible level of the EVENTS macro.
08
Both WAIT=YES and WAIT=NO were specified.

System action
The system abnormally ends the program that issued the EVENTS macro.

System programmer response
If the error recurs and the program is not in error, look at the messages in the job log for more
information. Search problem reporting data bases for a fix for the problem. If no fix exists,
contact the IBM® Support Center. Provide the assembly listing
for the job.

Programmer response
Verify the EVENTS macro input parameters, the level of the macro, and the contents of register 0.
Correct the error. Run the job again.

Source
Task management