Describe the bug
Error when using multiplayer with Essential, it doesn't let other players in, they say it gives them an error about minecraft come alive

To Reproduce
Steps to reproduce the behavior: use the mod with essential mod and try to invite a friend and join to your world but they can't

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Screenshots
If applicable, add screenshots to help explain your problem.

Version
MCA Version, Minecraft version, Modloader

original minecraft launcher by mojang

latest version of the mod 1.20.1

Latest.log
later i will drop the log here

I need the latest log.