uMod Could Not Send to Game, Could not find hash, maybe file is not named as *_HASH.dds

So I actually ran into this when changing some textures in Diablo III using uMod. All the textures I had previously worked, so as you can imagine I was surprised to get the error. I think it should have been much simpler to find the solution, basically, if you are getting this error....it is likely the texture you are trying to replace is not present. In the case of Diablo III the textures were renamed. I ended up hunting down the textures manually.