playing on pirate language + changing friendly animal noises crashes game 13W42A

Put the summary of the bug you're having here

What I expected to happen was...:
friendly animal noise to lower from 100 to about 35

What actually happened was...:
game crashed

Steps to Reproduce:
1. play on pirate language (1.7 13w42a)
2.be ingame (paused)
3. go to music and sound settings
4. change friendly animals volume from 100 down to about 35
5. game crashes