[18:13:55] [Netty Epoll Server IO #2/WARN]: Failed to initialize a channel. Closing: [id: 0xefebc4f1, /81.205.212.164:59091 => /54.36.126.104:25579]
java.lang.IllegalArgumentException: Duplicate handler name: viaversion_packet_handler
	at io.netty.channel.DefaultChannelPipeline.checkDuplicateName(DefaultChannelPipeline.java:900) ~[paper.jar:1.8.8]
	at io.netty.channel.DefaultChannelPipeline.addAfter(DefaultChannelPipeline.java:189) ~[paper.jar:1.8.8]
	at io.netty.channel.DefaultChannelPipeline.addAfter(DefaultChannelPipeline.java:181) ~[paper.jar:1.8.8]
	at com.ngxdev.viaversion.bukkit.handlers.BukkitChannelInitializer.initChannel(BukkitChannelInitializer.java:56) ~[paper.jar:1.8.8]
	at com.ngxdev.viaversion.bukkit.handlers.BukkitChannelInitializer.initChannel(BukkitChannelInitializer.java:17) ~[paper.jar:1.8.8]
	at io.netty.channel.ChannelInitializer.channelRegistered(ChannelInitializer.java:69) [paper.jar:1.8.8]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRegistered(AbstractChannelHandlerContext.java:158) [paper.jar:1.8.8]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRegistered(AbstractChannelHandlerContext.java:144) [paper.jar:1.8.8]
	at io.netty.channel.ChannelInitializer.channelRegistered(ChannelInitializer.java:71) [paper.jar:1.8.8]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRegistered(AbstractChannelHandlerContext.java:158) [paper.jar:1.8.8]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRegistered(AbstractChannelHandlerContext.java:144) [paper.jar:1.8.8]
	at io.netty.channel.DefaultChannelPipeline.fireChannelRegistered(DefaultChannelPipeline.java:732) [paper.jar:1.8.8]
	at io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:442) [paper.jar:1.8.8]
	at io.netty.channel.AbstractChannel$AbstractUnsafe.access$100(AbstractChannel.java:374) [paper.jar:1.8.8]
	at io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:418) [paper.jar:1.8.8]
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:380) [paper.jar:1.8.8]
	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:268) [paper.jar:1.8.8]
	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116) [paper.jar:1.8.8]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]