Darkrp Server Custom Models are not working?

hey, i been having this problem for about 2 days. whenever i try to install a new model for Cop or hitman it keeps going to a big Red error this is how i install the custom player models on SRCDS

Lua: garrysmod>lua>autorun

Models: garrysmod>Models>player

Materials: garrysmod>Materials>Models>player

And i also change the share.lua to the new model path for the job and it still gives the big red error sign. Any ideas why this is happening? thanks.

Are you using a FastDL server with BZ2 compression?