Currently there are profiles for very few bounties, so it's fully possible that the games you created did not include any of the supported ones.I'm having issues with it, just wanted to report. DB keeps creating a new game, only to leave it immediately with two messages. One being "Blah" (Assuming mid-dev-randomlog), and "Leaving Game, No more bounties that we can do." or something. It was starting the game in Act 3 Bounties, if that helps.
Could you keep trying for a while and see if it eventually gets one it can do?
(Or manually crate games until you get skeleton king or khazra den, then start the bot to make sure it goes to work.)