To find out whether you've entered Accounts Receivable as the allocation account on a sale, click the Sales tab in the Transaction Journal window and enter a date range to include all possible transactions.
Look for any sales transactions in the scrolling list that debit and credit the Accounts Receivable account and aren't used as historical sales or as transactions that settle credits.
If this is the case and you have a changeable data file, you can display the invoice and edit the allocation account to the correct account. If you have an unchangeable data file you can reverse the transaction and reenter it with the proper allocation account.