If a value is present in the Overflow-Line-Number entry (positions 20-22), the Overflow-Line entry (positions 23-24) must be OL.
Insert OL in the Overflow-Line entry (positions 23-24) OR omit the Overflow-Line-Number entry (positions 20-22). Recompile.
(C) Copyright IBM Corporation 1992, 2005. All Rights Reserved.