Message Class list used by SAP ABAP Function Module BAPI_MTRREADDOC_GETLIST (Select meter reading orders and results)
SAP ABAP Function Module BAPI_MTRREADDOC_GETLIST (Select meter reading orders and results) is using
# Object Type Object Name Object Description Note
     
1 Message Class  E9 General IS-U Error Messages
2 Message Class  EG IS-U device management