problem in the RFBIBL00 , document curency is not converting into local cur
I am using the program 'RFBIBL00' for upload the data in to sap from Legacy. customer posting the data from germany. The legacy file consists , CURRENCY FIELD 'USD' and amount in document currency 'WRBTR' has some 2000 value . when uploading this 2000 dollors is not converting in to EUR for the filed 'DMBTR'. so please give the solution why the amount is not converting into local currency.