Sometimes the server just explode

[Fredh1000]

Stack trace

See below

How to replicate it if known

Use Paper 1.8.8 with Java 21.
Make players join your server.
Sometimes the error below (screenshot) appears and the server start to lag and crash.
(This doesn't happen with GrimAC normal)

message.txt

Grim version

2.3.71-b67

Server version

1.8.8 Paper

Plugins

[Axionize]

I'm pretty suer this has been fixed but I'm leaving this issue open just in case it hasn't. Please report if B72 still has this issue.