my costumer says they can't pay for the item I already shipped few days ago, because when he tries to pay it tels him that I don't allow international purchaseses THANX AHEAD and lots of love to all of you
You have to put in shipping profiles for each of the countries in which you ship. If that person's country isn't in the shipping profile, they will not be able to pay.
In the future, you should never ship an item out until it is paid for.