Our modded server may have a similar crash problem caused by tickrate.
I will link it here, if it relevant. Otherwise I'll open a separate thread.

Minecraft Version

1.18.x

Forge Version

39.0.19

Vampirism Version

Vampirism-1.18.1-1.8.0-alpha+20220106-2313

https://pastebin.com/8wZ6MHTQ

Originally posted by @JulJuls in #1034 (comment)

This bug is caused by Forge 39.0.18.

Until there is a new Vampirism version you should consider using Forge 39.0.17