Information

(you can remove whatever is not applicable)
Minecraft version: 1.20.1
Modloader: Fabric
Fabric loader version: 0.15.11
Environment: Multiplayer

Mod name: Tree Harvester
Mod version: 1.20.1-9.1 JAR

Question

I have been trying to get Tree Harvester to work on my server for a couple of days now and it won't work. When I load into single player it does, but not the server. Can the mod be used on a server?