if you posted it then yes very possible for that. ifi you didnt post it chances are good your clicking too fast. if you didnt post it and you cant click at all then yeah bug
I opened the boss fight, try to start attack him (didnt asked someone for help!!!)) and there is only the message that the boss is currently under attack...
I have the same problem and with only 26 health and 8 hours left, same problems in Viking Clan and Pirate Clan right now also