The default currency was changed. In order to show accurate prices in all currencies, you need to update the exchange rates under the {bbackup_94402fb9ba80f392e0976ece85f92b2b876bfcaed8d83250cc06083f7139c7d9}1$sMulti-currency{bbackup_94402fb9ba80f392e0976ece85f92b2b876bfcaed8d83250cc06083f7139c7d9}2$s configuration.