[16:47:02] NetworkException: null
java.lang.NullPointerException: type cannot be null
        at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:921) ~[guava-32.1.2-jre.jar:?]
        at com.comphenix.protocol.injector.StructureCache.getStructure(StructureCache.java:138) ~[ProtocolLib.jar:?]
        at com.comphenix.protocol.events.PacketContainer.<init>(PacketContainer.java:126) ~[ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.manager.NetworkManagerInjector.onPacketSending(NetworkManagerInjector.java:96) ~[ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.processOutbound(NettyChannelInjector.java:553) ~[ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.channel.NettyChannelProxy.processPacketOutbound(NettyChannelProxy.java:266) ~[ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.channel.NettyChannelProxy.writeAndFlush(NettyChannelProxy.java:223) ~[ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.channel.NettyChannelProxy.writeAndFlush(NettyChannelProxy.java:233) ~[ProtocolLib.jar:?]
        at net.minecraft.network.Connection.doSendPacket(Connection.java:448) ~[?:?]
        at net.minecraft.network.Connection.sendPacket(Connection.java:430) ~[?:?]
        at net.minecraft.network.Connection.send(Connection.java:392) ~[?:?]
        at net.minecraft.network.Connection.send(Connection.java:378) ~[?:?]
        at net.minecraft.network.Connection.exceptionCaught(Connection.java:217) ~[?:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:317) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.ChannelHandlerAdapter.exceptionCaught(ChannelHandlerAdapter.java:92) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at ac.grim.grimac.shaded.io.github.retrooper.packetevents.injector.handlers.PacketEventsEncoder.exceptionCaught(PacketEventsEncoder.java:124) ~[grimac-2.3.50.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:317) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.ChannelInboundHandlerAdapter.exceptionCaught(ChannelInboundHandlerAdapter.java:143) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at ac.grim.grimac.shaded.io.github.retrooper.packetevents.injector.handlers.PacketEventsDecoder.exceptionCaught(PacketEventsDecoder.java:64) ~[grimac-2.3.50.jar:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:317) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.handler.flush.FlushConsolidationHandler.exceptionCaught(FlushConsolidationHandler.java:159) ~[netty-handler-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:317) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.exceptionCaught(DefaultChannelPipeline.java:1377) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.DefaultChannelPipeline.fireExceptionCaught(DefaultChannelPipeline.java:907) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.handleReadException(AbstractNioByteChannel.java:125) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:177) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:724) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:650) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.97.Final.jar:4.1.97.Final]
        at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.97.Final.jar:4.1.97.Final]
        at java.lang.Thread.run(Thread.java:833) ~[?:?]
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