Describe the bug
Game crashes when I click any menu category in the mod's settings page.

Minecraft Info
Crash info Not Enough Crashes gave me:
https://crashy.net/HG8naHMjiVJCbyFyzpCn

Raw text of the crash:
https://bytebin.lucko.me/HfiNuj2T3o

To Reproduce
Steps to reproduce the behavior:

1. Open mod options.
2. Click on any category, like 'Color Modifiers'.
3. See error

I have this issue too.
Maybe you could change the title to "Crash when clicking tabs" or something more descriptive?

Oop yeah I'll get this fixed

Fixed

Issue has reappeared: https://mclo.gs/RjXjrDQ