ASMA943U

Unable to find listing header nnn
Explanation
The assembler tried to produce a heading line in the assembler
listing but could not find the heading. This can be caused if the
assembler load module has been corrupted.

System action
The assembly is aborted.

Programmer response
Reassemble the program; it might assemble correctly. If it does
not reassemble without error, save the output from the assembly, and
the input sources, and contact IBM for support.

Severity
20