[Bug]: Worlds crash on loading

[WhatDaCluck]

General Info

• [X] I didn't added any mods
• [X] I can reproduce this issue consistently in single-player
• [ ] I can reproduce this issue consistently in multi-player
• [X] I have searched for this issue previously and it was either (1) not previously reported, or (2) previously fixed and I am having the same problem.
• [X] I am crashing and can provide my crash report(s)
• [ ] I am using the latest version of the modpack

Your launcher

Curseforge

Modpack version

2.1

Describe your issue

When loading into any world, the game crashes in about 2-5 seconds regardless of super flat or RAM allocation. Tried repairing installation, redownloading, and updating Minecraft launcher. I am using an Apple M1 Pro from 2021.

Steps to reproduce the issue

1. open modpack via Curseforge
2. Go through the play menu and load into any world
3. upon loading in wait 2-5 seconds and the game should crash

Additional Information

Attached is the crash report and the game gives an error code 6. hs_err_pid74498.log

[WhatDaCluck]

Just as an update, I transferred my world to version 2.2 and it seems to be running smoothly now.