Message Class list used by SAP ABAP Program ROIU_CA_SUBROUTINES (CA driver subroutines)
SAP ABAP Program ROIU_CA_SUBROUTINES (CA driver subroutines) is using
# Object Type Object Name Object Description Note
     
1 Message Class  O0 IS-OIL area independent messages
2 Message Class  OIUCM E&P Common Messages Across All Sub-Systems