It should be a new conversation, buyer should send message to the
seller, how can I get the parent ID even before the buyer send the first
message? It's a deadlock.
Yeah I am facing the same problem. I tried the offical sample of AddItem
(https://developer.ebay.com/devzone/xml/docs/reference/ebay/additem.html#Samples)
and it also returned error code 10007.
