Message Number list used by SAP ABAP Program LRECNF13 (Include LRECNF13)
SAP ABAP Program LRECNF13 (Include LRECNF13) is using
# Object Type Object Name Object Description Note
     
1 Message Number  6D - 711 Contract end date must be after/same as contract start date
2 Message Number  6D - 728 Choose an entry that exists