Ea UFC 5 fight week challenges

The gight week challenges are so buggy for me I fought twice with a jiu jitsu fighter and the challenge stayed at 0/2 same with Defend 3 takedowns so i decided to skip the defend takedowns and when I wenr back into the Challenges it took my 2000 coins and still requires me to complete can you please help me fix this as I am so close to getting all the trophies on this game and I need this