Minecraft Version: 1.20.1

Forge Version: 47.3.1

Mod Version: 0.0.13

Single Player or Server: Single Player

Describe problem (what you were doing; what happened; what should have happened):

1. Create a new world.
2. Crash in the Loading terrain screen.
3. java.lang.NoSuchFieldError: STEP_HEIGHT

Log file link:https://mclo.gs/tnrhc7I

I have the same issue, crash report: https://gist.github.com/darkphan/7c4f684517e9a0617ff68cc9854fd833

According to a similar issue reported in the Cyclic repo (#2414), this issue could be temporarily resolved by downgrading FLib to 1.20.1-0.0.12, and I've verified this personally.