Solution : https://service.sap.com/sap/support/notes/1514634 (SAP Service marketplace login required)
Key words :
-> sap netweaver -> general settings -> currencies -> check exchange rate types, -> sap netweaver -> general settings -> currencies -> define translation ratios, receive error message - m8285 - balance, 'alternative exchange rate type' represented, 'alternative exchange rate type', flag 'exchange rate type, sap customizing implementation guide, special translation model' represented, currency type xx, arithmetic rounding reason
Related Notes :
| 139553 | Euro: Company codes w/ non-participating currency |
| 123819 | Exchange rate type EURX in Releases as of 4.0A |