Basicly when i try to use the slider to turn the music or sounds up it crashes

Basicly when i try to use the slider to turn the music or sounds up it crashes

What I expected to happen was...:
Describe what you thought should happen here

What actually happened was...:
Describe what happened here

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