Message Number list used by SAP ABAP Program RNAFSPER (IS-H: Change Billing Block)
SAP ABAP Program RNAFSPER (IS-H: Change Billing Block) is using
# Object Type Object Name Object Description Note
     
1 Message Number  N5 - 201 Specify a unique key for a case selection
2 Message Number  N5 - 203 Specify a valid institution
3 Message Number  N8 - 541 Initial value & invalid for billing block (enter a valid value)
4 Message Number  N8 - 542 New value & invalid for billing block (enter a valid value)