What's the issue you encountered?

Look log

How can the issue be reproduced?

Start server

Logs

https://mclo.gs/iecYxkF

Mod Version

TerraBlender-fabric-1.20.1-3.0.0.169

Additional information

No response

This is a problem with Region Unexplored's config system. Others have solved this by using Fabric Loader 0.14.25. You'll need to ask about it on their issue tracker/Discord.