Solution : https://service.sap.com/sap/support/notes/383975 (SAP Service marketplace login required)
Key words :
additional key words mepo, sap ordering transaction, prerequisites solution change, exchange rate, document currency, purchase order, copied correctly, ekko-wkurs, ekko-kufix, calculated
Related Notes :
| 437622 | ME21N: Fixed exchange rate for contract reference |
| 399791 | Enjoy-BAPI_PO...: Condition values are not transferred |