If it's a "ImportModelTexture", then you'll probably need a rels file. It took me awhile to figure it out because I hacked a stage of TvC over Skyworld and the game freezes. In order to work for PTAD, download "st_fzero.rel" and place it to "module" folder.
Post Merge: March 05, 2013, 10:29:15 PM
Here's the link for the rels file.
http://www.mediafire.com/?ggmbz2jmoymHope this works.