Just type UCX_ in front your mesh -> import it and in the import settings you have to disable “one convex…” then it will probably work, but you could also just do it with the 3rd way that I show in the video
Just type UCX_ in front your mesh -> import it and in the import settings you have to disable “one convex…” then it will probably work, but you could also just do it with the 3rd way that I show in the video