GTA was working but keeps freezing when i get to the dragon HELP

Hi if anyone could help me here i would be very greatful!! I have been playing GTA Chinatown wars on my M3 ds real card but now i have reached the dragon each time i try to make it breath fire the game freezes so now i cant get past this mission. If anyone has a suggestion i would be very greatful. Thanx!!
p.s. i hope i have posted in the right place this is my first post.

https://www.romulation.org/forum/index.php?topic=1462.0 Right place yes :)