[12:11:32] [Netty Epoll Server IO #2/ERROR] [FML]: There was a critical exception handling a packet on channel effortlessbuilding
java.lang.NullPointerException: null
	at net.minecraftforge.fml.common.network.FMLOutboundHandler$OutboundTarget$4.selectNetworks(FMLOutboundHandler.java:143) ~[FMLOutboundHandler$OutboundTarget$4.class:?]
	at net.minecraftforge.fml.common.network.FMLOutboundHandler.write(FMLOutboundHandler.java:378) ~[FMLOutboundHandler.class:?]
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:816) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:723) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:111) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.handler.codec.MessageToMessageCodec.write(MessageToMessageCodec.java:116) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:816) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:723) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:704) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.DefaultChannelPipeline.write(DefaultChannelPipeline.java:1017) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannel.write(AbstractChannel.java:286) ~[minecraft_server.1.12.2.jar:?]
	at io.github.lxgaming.sledgehammer.util.NetworkChannelHelper.writeAndFlush(NetworkChannelHelper.java:72) ~[NetworkChannelHelper.class:?]
	at net.minecraftforge.fml.common.network.FMLEmbeddedChannel.writeAndFlush(FMLEmbeddedChannel.java:533) ~[FMLEmbeddedChannel.class:?]
	at net.minecraftforge.fml.common.network.simpleimpl.SimpleNetworkWrapper.sendTo(SimpleNetworkWrapper.java:250) ~[SimpleNetworkWrapper.class:?]
	at nl.requios.effortlessbuilding.EventHandler.onPlayerLoggedOut(EventHandler.java:185) ~[EventHandler.class:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_155_EventHandler_onPlayerLoggedOut_PlayerLoggedOutEvent.invoke(.dynamic) ~[?:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
	at net.minecraftforge.fml.common.eventhandler.EventBus.forgeBridge$post(EventBus.java:1252) ~[EventBus.class:?]
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:1202) ~[EventBus.class:?]
	at net.minecraftforge.fml.common.FMLCommonHandler.firePlayerLoggedOut(FMLCommonHandler.java:580) ~[FMLCommonHandler.class:?]
	at net.minecraft.server.management.PlayerList.redirect$forge$ValidateFirePlayerLoggedOutWithValidConnection$bap000(PlayerList.java:2395) ~[pl.class:?]
	at net.minecraft.server.management.PlayerList.func_72367_e(PlayerList.java:388) ~[pl.class:?]
	at net.minecraft.network.NetHandlerPlayServer.func_147231_a(NetHandlerPlayServer.java:853) ~[pa.class:?]
	at net.minecraft.network.NetworkManager.func_179293_l(NetworkManager.java:453) ~[gw.class:?]
	at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:213) ~[oz.class:?]
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:790) ~[MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397) ~[nz.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668) ~[MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) ~[MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]
[12:11:32] [Netty Epoll Server IO #2/ERROR] [FML]: Network Disconnect: A fatal error has occurred, this connection is terminated
[12:11:32] [Server thread/INFO] [net.minecraft.network.NetHandlerPlayServer]: Master_Jynx lost connection: A fatal error has occurred, this connection is terminated
[12:11:32] [Server thread/INFO] [net.minecraft.server.dedicated.DedicatedServer]: Master_Jynx left the game