Accessing Invoice records and using the blue navigation arrows at the top of the Invoice record, causes the Payment method to be changed to the method of the previous Invoice. The GL Distribution may also be changed when the payment method is changed.
We are currently evaluating this issue and will update this article when we have more information.
Steps to Duplicate
In Accounts Payable, Records, Invoices, Open an Invoice and open any invoice and note the payment method.
Click on the blue right-arrow at the top to move to the next Invoice, proceed until you receive prompt The current Invoice has been modified and not saved. Do you want to save it before proceeding?
If prompted to save, select No. At this point FE is attempting to change the payment method to match the payment method of the most recently accessed invoice.