Describe the bug
Describe exactly what you observed

Expected behavior
right clicking on a player or opening pmmo stats for a player causes client crash with PMMO and Vampirism installed

To Reproduce
Steps to reproduce the behavior:

1. install pmmo and Vampirism
2. right click another player or open their pmmo stats
3. crash

Versions:

• Minecraft: 1.21.1
• Loader: neoforge 21.1.61
• PMMO: 1.21-2.4.13

Additional context
also reported on Vampirism side
TeamLapen/Vampirism#1432

crash report
https://pastebin.com/raw/QbFZzrJu

This is caused by Vampirism not handling a null case in their entities. I'll leave this open while they sort out a fix.

any way to mitigate this kind of null case on the pmmo side?

not really.