random warnings in console

[PovilasLT]

The output of command /version on my server is:

This server is running Paper version 1.21.3-82-ver/1.21.3@5a60ffb (2024-12-23T19:10:30Z) (Implementing API version 1.21.3-R0.1-SNAPSHOT)
You are running the latest version
Previous version: 1.21.1-128-d348cb8 (MC: 1.21.1)

The output of command /version citizens on my server is:

2.0.36-SNAPSHOT (build 3642)

The output of command /version sentinel on my server is:

2.9.2-SNAPSHOT (build 527)

A pastebin.com link to my (full!) Sentinel/config.yml file is: https://pastebin.com/raw/bhtecHrz

Hi,
I've noticed some strange random warnings in console that happens few times a day:
https://pastebin.com/raw/z5pNJAfH