Minecraft crashes when trying to open world

[QuantumStatement]

Describe the bug
Game freezes and crashes when player tries to enter existing world

To Reproduce

Steps to reproduce the behavior:

1. Launch game without a mod
2. Create new world
3. Close game
4. Add mod to mods folder
5. Launch game
6. Open a world created earlier
7. Game freezes and crashes after a while

Logs/Screenshots/Videos
Crash report and config file

Versions (please complete the following information, do NOT say "latest"):

• Minecraft: 1.12.2
• Mod Version: 2.3.3
• Forge: 14.23.5.2860