Waystones (alone with no other mods) on a Forge 1.16.4 server presents an error and does not let the player connect.

Forge version: forge-1.16.4-35.1.13-universal.jar

Mod version: Waystones_1.16.3-7.3.1.jar

Client log:
debug.log

Server log:
debug.log

Example server where the mod crashes:
https://drive.google.com/file/d/1ENJJoR205OuOje14C6Kcgj-G9M0ESVj1/view?usp=sharing

Cheers!

Do you have the latest.log file from right after the crash happened? The files I'm seeing right now don't seem to have any info of the crash.