Modpack Version
What modpack version
1.6.3
Minecraft Version
What mc version
Fabric 1.19.2
Describe the crash or bug
Whenever I try to have superflat I do everything and when it loads in it just does the default for some reason no matter what I do

Steps to reproduce the behavior:
How can someone replicate this bug/crash?
Just do Superflat and as you can see it doesnt work and makes it a normal world (Isnt supeflat)
Expected behavior
What is the expected outcome?
to have superflat
Screenshots
Post screenshots if available
I feel like I dont need to show this since I didnt and im too lazy to do it
Crash log or latest.log.log
use pastebin.com for your log

Additional context
Any additional context?

That's because terralith doesn't support it.