Won't work with servers

[KillerVan]

In singleplayer it work fine, but i can't get it to work hosting a server with it. The game instantly crashes, if i remove this mod everything works fine

[dragoneyeeon]

You didn't even say which version of the mod you're using or what version of MC this is on, how are you going to get any help?

[Ivanasev]

1.16.5 it doesn't works too