Message Class list used by SAP ABAP Program LE21HF03 (IS-U Reversal Forms - Budget Billing)
SAP ABAP Program LE21HF03 (IS-U Reversal Forms - Budget Billing) is using
# Object Type Object Name Object Description Note
     
1 Message Class  E9 General IS-U Error Messages
2 Message Class  EB IS-U invoicing
3 Message Class  TU Billing/Scheduling/Budget Billing