1. Open the invoice with the negative distribution, go to the Distribution Tab.
  2. Change the distribution to only positive amounts. Save and close the invoice.
  3. Re-open the Invoice and go back to the distribution tab, edit the amounts back to their original amounts.
  4. Save and close the invoice. Now we should be able to create a payment for the invoice.

 

If the Invoice has already been posted to the General Ledger, then we would need to do an invoice adjustment