Solution : https://service.sap.com/sap/support/notes/623804 (SAP Service marketplace login required)
Key words :
customizing transaction ftxp 'maintain tax code, transaction miro/mr1m 'enter incoming invoice', error message ff707 'tax entered incorrect, attached source code corrections, terms cash discount base, entered tax amount, multiple account assignment, indicator 'calculate tax', purchase order item, manually enter
Related Notes :
| 534391 | MR1M/MIRO: Cash discount calculation program redesign (2) |