Message Class list used by SAP ABAP Program RFKKRF02 (Display returns history)
SAP ABAP Program RFKKRF02 (Display returns history) is using
# Object Type Object Name Object Description Note
     
1 Message Class  >2 Contract A/R and A/P: Payment program
2 Message Class  >3 Contract A/R and A/P: Central functions
3 Message Class  >4 Contract A/R and A/P: Document posting
4 Message Class  DB Messages for logical databases and background processing
5 Message Class  F4 Line items/balances/configuration