Why cant i enter big_flying party maps....

hi.. everytime i enter a FunLine_BigFlyingParty map i always crash. i can get into the first one but the rest i cant
its a shame cause ive played those maps and they rock but i cant get in them...
i can get into all the other funlne maps tho...
HELP!


i can get into all the other funlne maps tho...
HELP!


