What Feature Types Apply to This Bug?

System

Other Type

No response

What Type of Bug Is This?

Crash

Mod Loader

NeoForge

Mod Loader Version

21.1.133

The Aether Version

1.5.6

Is This Bug a Conflict With Another Mod?

Accessories: https://modrinth.com/mod/accessories/version/1.1.0-beta.32+1.21.1

Client Log

https://gist.github.com/JetVolcano/b0bf412d8a0259c846d889402d0f09ee

Crash Report (if applicable)

https://mclo.gs/EnXk9ge

Steps to Reproduce

Try to open the game

What You Expect To Happen

The game to load properly

What Actually Happened

The game will provide an error an not load to the main menu

Additional Details

I am playing on a modpack except I am the owner of the pack.
As soon as I updated Accessories to their latest 1.21.1 neoforge version I started to get these errors

Please Read and Confirm The Following

• I have confirmed this bug can be replicated without the use of Optifine.
• I have confirmed this bug is on the most recently supported version of Minecraft.
• I have confirmed the details provided in this report are concise as possible and does not contain vague information (ie. Versions are properly recorded, answers to questions are clear).
• I have confirmed this bug is unique and has not been reported already.
• If playing on a modpack, I have reported this bug to their issue tracker already.
• I have confirmed that I'm reporting a bug in The Aether I, not The Aether II.