Solution : https://service.sap.com/sap/support/notes/196526 (SAP Service marketplace login required)
Key words :
newly created purchase orders/delivery schedules, additional key words subsequent settlement, updating subsequent business volume data, optional pass val i_ekko_trtyp type, subsequent business volume update function, subsequent business volume update, purchase orders/delivery schedules, create missing index entries, select 'subsequent settlement', volume-based rebate
Related Notes :
183379 | Composite SAP note subsequent settlement (Purchasing) 4.6 |