Post a subsequent credit against the line items for which the invoices were captured wrongly. This will raise a debit balance in the vendor ledger.
For the correct items, do the GR, capture the invoice, this will raise a credit balance in the vendor.
Finally now you will not have to pay anything to the vendor as the debit and credit balance will match.
It is not advisable to reverse payment documents as the vendor is not going to pay you back. Also, if your business process allows it, tick GR based IV on the vendor/PO