I am not sure about the cause of this, but /en doesn't work, you need to /rec to enter the tourney, and when someone leaves the server on finals the tourney resets.

Yea there's been a few broken lobbies lately, i think that's because of the new beta or something I'm not really sure but, the staff know that there are certain servers down and they're doing there best to fix it, just try other tourneys that aren't broke until it's fixed.

Should be rectified with the latest hotfix, let us know if it continues.