Parts of mesh missing with boots {SOLVED}

Nevermind I have figured it out.
Note to self, when you are supposed to match cut numbers and mesh parts, you ARE supposed to match cut numbers and mesh parts in every lod. This means, if you join mesh_part_1 with mesh_part_9 in lod 0, you're still supposed to join mesh_part_1 with 9 in every other lod, you can't randomly join mesh parts with w/e and then give them the right cut numbers. Even if you keep the right cut numbers and number of groups... issues will happen because they are not the exact same groups.