player taking 3 turns in a row

i've lost 2 games in a row due to a player taking 2 and even 3 turns in a row. this is not happening at the end of the round, and doubles are off, so why is this occuring?
Conquer Club, a free online multiplayer variation of a popular world domination board game.
http://www.tools.conquerclub.com/forum/
http://www.tools.conquerclub.com/forum/viewtopic.php?f=239&t=327