Reversing a Partial payment

Question

SAP gurus,
We are doing a partial payment to 1 of the 2 invoices for the vendor in F-53. The other invoice was paid in full.  Then the residual balance was paid thru payment run. Instead of showing both the invoices and payments as cleared items, the system is showing the 1st invoice (paid full) as an open item along with the payment. The invoice that was partially paid intially, along with the payements is showing as cleared items.
E.g.
invoice 1: $ 5000
invoice 2: $ 2000
Payment (F-53) --
invoice 1: 5000 -- paid in full
invoice 2: 2000 -- paid only 1700 (bal 300)
Bal 300: Paid thru Payment run at a later date
Client needs to reverse all the postings and correct the bank information and do a re-payment. The system doesnt recognise the clearing document.
Vendor line item display --
open items:                                              Cleared items:
KR 5000                                                    KZ 1700  
KZ 5000                                                     KZ 300
                                                                 KR 2000
Please help.
thanks to all.

Answer 1

there are two payment documents...
first step APP
---> Use FBRA - reset clearing
Second- F-53 document- this is as open item...
---> Use FB08 for this
then FBRA or FB08 reverse the payment document posted thru APP
Regards
Anantha