Hi Magnus,   yes, I pulled the existing ledgers via the API and tried to use them but I still get the same error. When I set as Ledger 802000 but remove the ExchangeRate and Currency the API creates the Journal Transaction in Eur currency, when I insert ExchangeRate and Currency in USD it also created the Journal Transaction (regardless of the Ledger), I get error only when I try to send the above payload with ExchangeRate and Currency for EUR. ... View more