Hacking Resident Evil Umbrella Chronicles Problem

[Skyline969]

I put REUC on my USB hard drive, and for the most part it works perfectly fine. I'm using Customizable USB Loader GX (Or something like that...). However, at one point in the game, it just stops. The background sounds play, I can look and shoot, but the game refuses to load further in. Wii Sports works perfectly fine. I have no hacks or changes made at all to either game.
What could I be doing wrong, or what can I change to get it to work?

EDIT: The loader I have is Configurable USB Loader by Oggzee and Usptactical.