When joining my server on localhost, it gives me this error:
[17:01:49] [Server thread/INFO] [minecraft/PlayerList]: Porkchop2005 "IP" logged in with entity id 101 at (-264.5, 68.0, 224.5)
[17:01:49] [Server thread/INFO] [minecraft/DedicatedServer]: Porkchop2005 joined the game
[17:01:49] [Netty Server IO #2/ERROR] [minecraft/NettyPacketEncoder]: java.lang.NullPointerException
[17:01:49] [Server thread/INFO] [minecraft/ServerPlayNetHandler]: Porkchop2005 lost connection: Internal Exception: io.netty.handler.codec.EncoderException: java.lang.NullPointerException
[17:01:49] [Server thread/INFO] [minecraft/DedicatedServer]: Porkchop2005 left the game
full console log here