Message Class list used by SAP ABAP Class CL_R3_OLR3_INTERNAL_ORDER (Object Link, Internal Order)
SAP ABAP Class CL_R3_OLR3_INTERNAL_ORDER (Object Link, Internal Order) is using
# Object Type Object Name Object Description Note
     
1 Message Class  CJ Project master data and structure
2 Message Class  KO Master data for CO orders