after i down loaded sphax purebdcraft the texture pack my game would not open

Put the summary of the bug you're having here after i down loaded sphax purebdcraft the texture pack my game would not open

*What I expected to happen was...:*the game would load with the texture pack
Describe what you thought should happen here

What actually happened was...:
Describe what happened here the game crashed and it said the textures were messed up

Steps to Reproduce:
1. download sphax pure bd craft texture pack
2. ...get on minecraft website
3. ... download minecraft