Solution : https://service.sap.com/sap/support/notes/501179 (SAP Service marketplace login required)
Key words :
valid currency key, attached advance corrections, pa_whr currency key, contract currency changeover, 'currency key, currency key, advance corrections, currency keys, euro changeover, changeover program
Related Notes :
495673 | ECCC: Separate conversion of user data |
421878 | EUR: Composite note - euro in Loans Management |