problem about NDS lufia: Curse of the Sinistrals (U)

i run this game in no$zoomer 2.6a. i have tried different patches such as undub, patched, venom. front part of the game run smoothly. however when i reach gratze factory b2 during then tank controlling, the game crashed. plz help... thx

http://forum.romulation.net/index.php?topic=48581.0

thx alot