This issue occurs when an unapplied credit offsets the open balance of an invoice, dlaborde. If an amount entered in the Amount Received field surpasses the transaction amount, it will be considered an additional payment.
To resolve this and apply the customer's available credit to their invoice without adding any amount from the Amount Received section, follow these steps:
- Click the + New icon or (+) Create.
- Select Receive Payments.
- Select the customer with a credit and enter any additional information you have for the transaction.
- Check the Invoice entry under Outstanding Transactions and the Credits.

- Click the Record and Close button to finish the process.
You can also learn about the various methods for handling customer credits and applying them to transactions.
Please don't hesitate to reply if you have additional questions about handling customer credits or managing sales transactions.