Message Class list used by SAP ABAP Class CL_CRR_LOGGER (CRR Default Logging)
SAP ABAP Class CL_CRR_LOGGER (CRR Default Logging) is using
# Object Type Object Name Object Description Note
     
1 Message Class  SCRR SCRR-
2 Message Class  SUPG SUPG-
3 Message Class  TG Messages for Repository Switch