You have specified a NEXT PAGE clause in a LINE clause other than the first of a report group description entry.
The absolute line numbers in the LINE clauses of a report group description entry are not in ascending order.
You have not specified a LINE clause in a particular report group description entry.
Resolution:
Depending on the cause of this message, you should:
Delete the NEXT PAGE clause from any but the first LINE clause.
Rearrange the LINE clauses so that absolute line numbers are in ascending order.
Add a LINE clause.