Message Class list used by SAP ABAP Program MR02UPGR (Program MR02UPGR for Listing Blocking MR01 Invoices)
SAP ABAP Program MR02UPGR (Program MR02UPGR for Listing Blocking MR01 Invoices) is using
# Object Type Object Name Object Description Note
     
1 Message Class  M8 Invoice Verification/Valuation
2 Message Class  TG Messages for Repository Switch