Ledger crashing server

[bruhhhwarrior]

Expected behavior

Not sure why this happens but it happens alot.
Maybe when someone uses ledger it happens but im not quite sure.

Observed/actual behavior

Server crash

Steps/models to reproduce

Have 1.3.5 installed on 1.21.1

What operating system are you running

Windows

Minecraft version

1.21.1

Ledger version

1.3.5

Logs

https://mclo.gs/kXzH2A9 (also the only error shows in full server log)

Agreements

• I am running the latest version of the mod.
• My version of Minecraft is supported.
• I have searched for and ensured there isn't already an open issue regarding this.

Other

No response