ZombieMod 4.0

Material models/player/zh/charple1_sheet is being applied to a model, you need $model=1 in the .vmt file!
Material models/player/zh/charple1_sheet is being applied to a model, you need $model=1 in the .vmt file!
Material models/player/zh/charple1_sheet is being applied to a model, you need $model=1 ...

I am thinking on adding zombie Mod to my server.
I like it verry mutch only 1 problem.....
When I am in a Zombie Mod server, The sky is REALLY Freaky, I cant see zombies, only their shaddows on the ground.

Any Idea on how i can resolve this issue?