DFS1907I SC=04 NULL TOP MARGIN VALUE WILL BE SET TO 1, THE DEFAULT VALUE

Explanation
 VTAB= was specified with no top margin specification
and the default value of 1 is used.

System action
 The top margin value is set to 1, and processing
continues.

Programmer response
 Respecify the top margin value, and rerun
the job.

Severity
 4