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java.lang.NullPointerException: 	at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936)	at com.comphenix.protocol.reflect.StructureModifier.withType(StructureModifier.java:456)	at com.comphenix.protocol.events.PacketContainer.getProtocols(PacketContainer.java:709)	at net.minecrell.serverlistplus.bukkit.handlers.ProtocolLibHandler$StatusPacketListener.onPacketReceiving(ProtocolLibHandler.java:63)	at com.comphenix.protocol.injector.SortedPacketListenerList.invokeReceivingListener(SortedPacketListenerList.java:114)	at com.comphenix.protocol.injector.SortedPacketListenerList.invokePacketRecieving(SortedPacketListenerList.java:67)	at com.comphenix.protocol.injector.PacketFilterManager.handlePacket(PacketFilterManager.java:610)	at com.comphenix.protocol.injector.PacketFilterManager.invokePacketRecieving(PacketFilterManager.java:577)	at com.comphenix.protocol.injector.netty.ProtocolInjector.packetReceived(ProtocolInjector.java:323)	at com.comphenix.protocol.injector.netty.ProtocolInjector.onPacketReceiving(ProtocolInjector.java:288)	at com.comphenix.protocol.injector.netty.ChannelInjector.decode(ChannelInjector.java:541)	at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:249)	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:149)	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)	at com.comphenix.protocol.injector.netty.ChannelInjector$4.channelRead(ChannelInjector.java:273)	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:163)	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)	at net.minecraft.server.v1_10_R1.LegacyPingHandler.channelRead(SourceFile:94)	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)	at io.netty.handler.timeout.ReadTimeoutHandler.channelRead(ReadTimeoutHandler.java:150)	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)	at io.netty.channel.epoll.EpollSocketChannel$EpollSocketUnsafe.epollInReady(EpollSocketChannel.java:722)	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:326)	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:264)	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)	at java.lang.Thread.run(Thread.java:745)