Solution : https://service.sap.com/sap/support/notes/334094 (SAP Service marketplace login required)
Key words :
additional key words vbak-waerk, system references documents created, problem occurs frequently, header currency temporarily, required header currency, standard currency exists, item currency field, sales document type, header currency, vbap-waerk
Related Notes :
| 392204 | Composite SAP note: Euro changeover as of Release 3.1I |
| 356442 | Euro check expiring currency in sales |