An exchange rate cannot be found for exchange rate type XXX between currencies YYY and ZZZ on exchange date.

An exchange rate cannot be found for exchange rate type XXX between currencies YYY and ZZZ on exchange date.
// must be fill ReporingCurrencyExchrate 
LedgerJournalTrans.ReporingCurrencyExchrate = LedgerJournalTrans.Exchrate;