Beta 11 incompatibility with Worldgen-Devtools

[JLUsr]

Mod Name

Worldgen-Devtools

Mod Homepage

https://modrinth.com/mod/worldgen-devtools

Minecraft version

1.21.1

Describe the bug

Game crashes during startup

Steps to reproduce

1. Install Connector and dependencies
2. Install Worldgen-Devtools
3. Attempt to launch game
   ...

Logs

https://gist.github.com/JLUsr/251a56609bdcf9cee2b995accfb26835

Additional context

This had not occured with Beta 10