ASMF071W SIDE BY SIDE LISTINGS NOT ALLOWED WHEN USING COLHEAD PROCESS STATEMENT.

Explanation
 The NARROW process option cannot be used with
the COLHEAD process statement.

System action
 The COLHEAD statements are accepted and the NARROW
(side-by-side) process option is ignored. The SuperC run continues.

Programmer response
 Check that you are using the correct process
options and statements.
 See Process options and Process statements.