Invoice not picked up after payment date part of previous and closed period.

 Hi all,
When trying to pay overdued invoice-payment date already part of the previous aand closed period-,cannot pick up the invoice for payment.
Is this still possible to pay those overdued invoice? Whats the set-up?
Currently we are cancelling the overdued invoice and encoded in again,whick takes a lot of our time.
Hope someone could help.

Thanks,
-Lei