Warcraft 3 MODs

oww I find the problem now no need to help

and I have the file in the right directory:

cstrike/addons/sprites/warcraft3/

When i´m trying to set up my server it comes up a message like this Fatal error - Dedicated server "Mod_NumForName: sprites/warcraft3/i_undead.spr not found" When I´m chacking that directory the file is there. I have downloaded the file a couple of times but it wont work? :?: Can someone help me?