When launched alongside Ecotones, the game crashes as Limlib attempts to register something twice.
This does not occur when I disable Ecotones in this minimal testing environment.

Ecotones: https://modrinth.com/mod/ecotones

Minecraft version: 1.20.1
Mod version: 1.2.6
Ecotones version: 0.9.3
Quilt Loader version: 0.19.2
Quilted Fabric API version: 7.0.6+0.85.0+1.20.1

Crash report: https://mclo.gs/91ktPIq

Fixed in 1.2.7, at least my end of it. ecotones crashes anyways for a different bug