We are building a Minecraft server (Forge + Arclight) from scratch, we encountered weird problems with MobVariants: after adding MobVariants, our server cannot start (fails very soon during the starting up).

I checked logging messages and it doesn't appear to have any useful information (I don't see any ERROR/FATAL message). Before the server shutdowns, the end of the log says the following:

[068月2023 09:24:23.571] [JLine Shutdown Hook/DEBUG] [org.jline/]: Running all shutdown-hook tasks
[068月2023 09:24:23.571] [JLine Shutdown Hook/DEBUG] [org.jline/]: Running task: org.jline.terminal.impl.AbstractWindowsTerminal$$Lambda$313/0x000001ea551e52a0@1edb0e83
[068月2023 09:24:23.571] [JLine Shutdown Hook/DEBUG] [org.jline/]: Removing shutdown-hook: Thread[JLine Shutdown Hook,5,main]

I am not sure what information I can provide to help you have a better illustration (maybe MobVariants have compatibility issues with other mods, I haven't tested it). If you wish to have further discuss, you may reply to this issue.

Thanks for making this mod btw :)

What version of the mod and version on Minecraft/Forge are you using?