Crash with Custom LAN mod on 1.21.1

[mpustovoi]

Mod Name

Custom LAN

Mod Homepage

https://modrinth.com/mod/custom-lan

Minecraft version

1.21.1

Describe the bug

The game crashes when launching with this mod on a minimal setup.

Steps to reproduce

1. Install latest Connector with Forgified Fabric API (and Connector Extras).
2. Install Custom LAN 2.3.2 (latest version compatible with 1.21.1) and Cloth Config API as its dependency.
3. Launch the game and see the crash screen:

Logs

https://gist.github.com/mpustovoi/77d2d73f43e545bc90aaaae5425b50e1

Additional context

Logs: https://mclo.gs/MjoHeE9.
Crash report: https://mclo.gs/fGfO551.

This mod had a crash issue on 1.20.1, which was successfully fixed on the Connector side (#993).
I hope this time it will also be possible to solve it.