Resource Packs Crashing

Please fix itquickly i upload on youtube and i need to get back onto the servers and finish the mini game that i was about to record.

Put the summary of the bug you're having here

*I thought that it was going to go to the play screen were i can start playing

*The game crashed at the screen saying "MOJANG"

*Steps to Reproduce:-This is how the problem happened for me
1. Install Sphax PureBDCraft
2Place in resource packs folder
3 Restart Game and play the texture pack