When changing keybindings soon as click the controls button MC will crash

crashes game to launcher

steps to reproduce (important):

1. Update to newest version
2. load up
3. go in game world then change some keybindings
4. does not effect in game main menu

• IronBackpacks: 3.0.3
• Minecraft: 1.12.2
• Forge: 14.23.1.2590

Could you provide the crash log?

Ah, @gr8pefish, you only disabled the registration of the keybinds. You didn't actually disable them. That's a nono.