[1.20.1] Gravestone grave empty when player killed in pvp

[Proxwian]

Minecraft Version : 1.20.1

Mohist Version : 688

Operating System : Ubuntu

Concerned mod / plugin : Gravestone

Logs : Link(s) of logs and crash reports if you have

Steps to Reproduce :

1. Take some items in inventory
2. Get killed by other player
3. Grave is holding 0 stacks

[NekoWalker2024]

Check your plugins or mods if there are any conflicts,
maybe you can up to date your Mohist version.

Translated For Chinese：检查一下你的插件或模组是否存在冲突，或许你可以更新一下你的 Mohist 版本。

[Proxwian]

I've checked twice and problem is still exist