Describe the bug
Game is not starting due to a crash with, what I believe, is the Mirror. Weird thing is, my server started up fine, so I'm wondering if some client mod is conflicting but not sure which one it may be. And if so, can some kind of compatibility be done.

Crash report
https://pastebin.com/MqMHTigh

To Reproduce
If applicable, the steps to reproduce the behavior:

1. Download Geekpack 2, ver. 1.1.4, by jelaw22
2. Press Play
3. Wait for crash

Screenshots

Please complete the following information:

• Minecraft Version: 1.12.2
• Mod Version: furniture-6.3.1-1.12.2.jar
• 1.12.2
• (modded) forge-14.23.5.2847

#371