replaced sonic adv2 the trial model with the commercial model

[Corn99]

i decided to swap models for sonic adventure 2 the trial demo disc and the sa2 the finshed disk.for the demo disk it worked and made it self boot. heres a screen shot(for some reason his jump after destroying an enemy looks like supper sonics dash).but every time i try to swap the demo sonic model into the finished sa2 game, its like i made a bad image and it crashes nulldc.i mean it has less animations than the finsihed model sonic but it shouldnt crash the game right?