I got the sphax resourcepack on minecraft then it bugged me out

Put the summary of the bug you're having here
I got the sphax resourcepack on minecraft then it bugged me out
What I expected to happen was...:
Describe what you thought should happen here
I thought that i would be able to play with a resource pack

What actually happened was...:
Describe what happened here
Minecraft got turned off

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...download spax
3. ...