Downloaded and applied a texture pack onto Minecraft. Now I am not able to get onto Minecraft without the application crashing.

Put the summary of the bug you're having here

What I expected to happen was...:
I expected my texture pack to adjust and everything would be fine and everything would be normal.

What actually happened was...:
I restarted Minecraft because it was acting weird. From then, I now am not able to get onto Minecraft because it keeps crashing.

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