No idea what this means, but it sometimes happens if the bot is running and I accidentally hover the mouse over the Hearthstone client. I'm unable to select anything at all for a whole turn after this happens, including the settings and options screen, and can't end my turn before the rope burns out. The ingame client usually says ''That Character already attacked'', so I'm guessing it has something to do with that. Usually fixes itself by the time my next turn comes around.