I set up a Minecraft server (in a Virtual Machine running Ubuntu server) and whenever someone connects to it, I get the following message:
[23:13:00] [Netty Epoll Server IO #3/ERROR] [minecraft/ArgumentTypes]: Could not serialize net.minecraftforge.server.command.ModIdArgument@5f51c263 (class net.minecraftforge.server.command.ModIdArgument) - will not be sent to client!
[23:13:00] [Netty Epoll Server IO #3/ERROR] [minecraft/ArgumentTypes]: Could not serialize net.minecraftforge.server.command.EnumArgument@50605d19 (class net.minecraftforge.server.command.EnumArgument) - will not be sent to client!
[23:13:01] [Server thread/ERROR] [ne.mi.fm.ne.si.IndexedMessageCodec/SIMPLENET]: Received empty payload on channel fml:handshake
I am on 1.14.4 with forge-28.2.0 and running no other mods, just forge.
That person also gets kicked from the server shortly after...
Any help would be greatly appreciated