Legacy4J Version

1.21-1.21.1

Mod Loader Version

Fabric 0.16.9

Bug/Glitch Occurrence Context

I had no other mods installed. I moved from the forge launcher to just the Minecraft Launcher.

Crash Report

No response

What happened wrong?

I was next to a village and all villagers are gone. I had a named entity and that's gone too. I checked the entities folder and there's stuff there but all entities are gone.