Message Class list used by SAP ABAP Program RANA_STRUCT_GEN (OLTP Metadaten Repository)
SAP ABAP Program RANA_STRUCT_GEN (OLTP Metadaten Repository) is using
# Object Type Object Name Object Description Note
     
1 Message Class  ALM_US_BW Messages for ALM BW Reporting
2 Message Class  R3 Service API messages
3 Message Class  R8 Messages from the meta data generation