Solution : https://service.sap.com/sap/support/notes/444785 (SAP Service marketplace login required)
Key words : 
euro changeover general data, maintain table views, european monetary union, sales area data, table/view tcury1, table/view v_tcury, table/view v_tcuro, table/view tcure, company code-independent, company code
Related Notes : 
       
| 446428 | Report for currency conversion annual business volume | 
| 383964 | Expiring currencies: Advance implementation | 
| 314121 | Expiring currencies in Release 3.1I to 4.6C and higher |