My Hearthstone disappeared from my packs. When I tried to buy a new one from the innkeeper it told me I cannot hold another one of those. Now when I try to buy one from the innkeeper, there isn't one available to buy at all. I have tried re-logging, changing my home location, and outside of that I am not sure what else I can do. Anyone have any ideas of how I can get a hearthstone back? Thanks.