Message Class list used by SAP ABAP Program RFPUEB00 (List of Parked Documents)
SAP ABAP Program RFPUEB00 (List of Parked Documents) is using
# Object Type Object Name Object Description Note
     
1 Message Class  F4 Line items/balances/configuration
2 Message Class  FP Invoice Parking
3 Message Class  MSITEM Line Item Display with ALV, RFITEM**