Message Class list used by SAP ABAP Function Module ISU_O_AMB_BILL_DOC_OPEN (INTERN: Function to open billing document for AMB/BBP)
SAP ABAP Function Module ISU_O_AMB_BILL_DOC_OPEN (INTERN: Function to open billing document for AMB/BBP) is using
# Object Type Object Name Object Description Note
     
1 Message Class  AH IS-U billing (master data)
2 Message Class  E9 General IS-U Error Messages