User Activity

I have to send an international invoice to an italian buyer and it's not working. I got the message that : invoices can't be sent for Ebay international shipping orders. I tried to speak with the Ebay staf and incredible they are not able to give me ...
I'm not abel to sent international invoices. Everything was O.K till last week. And now the buyers are telling me that they are not able to pay because I don't sent the items in their country. Can somebody tell me what's happening