We are also experiencing this. It was just noticed after my recent update to 02/14/07, however, it may have existed before that and was just now noticed.
I tried to duplicate it in the Demo Data (Company 99 - The Manufacturing Answer), and was successful.
Customer ADV-01 had an open invoice for 4266.90. I entered a customer payment for $1000 dated 03/02/07 and payment for $500 dated 01/10/07 . The Aging correctly shows the Account balance of $2766.90. The
Statement (click here) (printed with the option 'Print Items with Open Amounts Only?' set to 'Y' ) incorrectly shows a balance of $4266.90. The balance column seems to be showing a running balance of the Original Amount and not a running balance of the Remaining Amount.
The 'Balance' column and the 'Total Due' is not correct, but the Aging Breakdown is correct.
Additional Information:
I just noticed that if 'Print Items with Open Amounts Only? is set to 'N', and a date is entered for '... items dated on/after' then Open items dated
before the date entered
Do Not Print (they should, because they are still open, the date entered should only affect fully paid items).