server can't start on 1.4.1
on 1.4.0 everything is ok
crash log
crash-2021-11-19_16.41.13-fml.txt
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Ears is purely client sided and not required on the server.

I should probably ensure the mod doesn't load at all on servers, but yes, Ears is strictly client-only.

Hey there! Is it possible to add that check in so it doesn't load on servers? If the mod isn't included in the forge server, then the server-client compatibility check in the client's server menu says "incompatible". There're mods to bypass that, but I've been saved by that compatibility check before. If I knew how to add it, I'd make a pull request myself (definitely will keep an eye on what a change like that looks like). Thanks!