Message Number list used by SAP ABAP Program LIWP3F8M (INCLUDE LIWP3F8M)
SAP ABAP Program LIWP3F8M (INCLUDE LIWP3F8M) is using
# Object Type Object Name Object Description Note
     
1 Message Number  IP - 133 No line selected -> select a line
2 Message Number  IP - 400 Release not possible as MaintPlan already released, called or skipped
3 Message Number  IP - 401 Maintenance plan &1: Predecessor (call number &2) still on hold
4 Message Number  IP - 437 Function not possible as scheduling currently locked
5 Message Number  IP - 459 Predecessor to & not yet confirmed