What Feature Types Apply to This Bug?

World-Gen

Other Type

No response

What Type of Bug Is This?

Crash

Mod Loader

NeoForge

Mod Loader Version

.107

The Aether Version

1.5.3

Is This Bug a Conflict With Another Mod?

maybe? idk

Client Log

https://mclo.gs/c3OntlN

Crash Report (if applicable)

https://mclo.gs/c3OntlN

Steps to Reproduce

use it ig

What You Expect To Happen

worldgen

What Actually Happened

crash

Additional Details

i use arch btw

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.

Can you try to narrow down what the mod incompatibility is here? It might be between Cumulus' world preview system and ModernFix according to the log but I'm not sure