[23:44:03 WARN]: [ProtocolLib] [DetailedErrorReporter] Internal exception count: 64!
[23:44:03 INFO]: Error Unable to intercept a read client packet. (java.lang.IllegalArgumentException: Unable to find a field null with the type com.mojang.authlib.GameProfile in net.minecraft.network.protocol.login.PacketLoginInStart) occured in com.comphenix.protocol.injector.netty.ChannelInjector@68063f3c.
[23:44:03 ERROR]: [ProtocolLib] INTERNAL ERROR: Unable to intercept a read client packet.
If this problem hasn't already been reported, please open a ticket

^ As requested a ticket has been opened.

Stack Trace:

java.lang.IllegalArgumentException: Unable to find a field null with the type com.mojang.authlib.GameProfile in net.minecraft.network.protocol.login.PacketLoginInStart
at ProtocolLib (13).jar//com.comphenix.protocol.reflect.FuzzyReflection.getFieldByType(FuzzyReflection.java:397)
at ProtocolLib (13).jar//com.comphenix.protocol.reflect.accessors.Accessors.getFieldAccessor(Accessors.java:57)
at ProtocolLib (13).jar//com.comphenix.protocol.injector.netty.ChannelInjector.handleLogin(ChannelInjector.java:658)
at ProtocolLib (13).jar//com.comphenix.protocol.injector.netty.ChannelInjector.decode(ChannelInjector.java:591)
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:529)
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:468)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
at ProtocolLib (13).jar//com.comphenix.protocol.injector.netty.ChannelInjector$2.channelRead(ChannelInjector.java:292)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
at io.netty.handler.flush.FlushConsolidationHandler.channelRead(FlushConsolidationHandler.java:152)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:800)
at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:499)
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:397)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:833)
Dump:
Parameters:
io.netty.buffer.PooledUnsafeDirectByteBuf@4ed3770e[
memoryAddress=139966743349936
recyclerHandle=io.netty.util.Recycler$DefaultHandle@4297fc82
chunk=Chunk(39eb0e82: 51%, 2105344/4194304)
handle=18014428574253075
memory=java.nio.DirectByteBuffer[pos=0 lim=4194304 cap=4194304]
offset=267008
length=256
maxLength=256
cache=io.netty.buffer.PoolThreadCache@2eea58ca
tmpNioBuf=
allocator=PooledByteBufAllocator(directByDefault: true)
refCnt=2
readerIndex=5
writerIndex=5
markedReaderIndex=0
markedWriterIndex=0
maxCapacity=2147483647
]
manager:
com.comphenix.protocol.injector.PacketFilterManager@6580025[
unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@23cb7ec3
packetListeners=[PacketAdapter[plugin=Citizens, sending=ListeningWhitelist[priority=HIGHEST, packets=[PLAYER_INFO[PLAY, SERVER, 54, classNames: [net.minecraft.network.protocol.game.PacketPlayOutPlayerInfo, net.minecraft.network.protocol.game.ClientboundPlayerInfoPacket, net.minecraft.network.play.server.SPacketPlayerListItem] (unregistered)]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], PacketAdapter[plugin=Citizens, sending=ListeningWhitelist[priority=MONITOR, packets=[ENTITY_HEAD_ROTATION[class=PacketPlayOutEntityHeadRotation, id=62], ENTITY_LOOK[class=PacketPlayOutEntityLook, id=43]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], PacketAdapter[plugin=WorldGuardExtraFlags, sending=ListeningWhitelist[priority=NORMAL, packets=[REMOVE_ENTITY_EFFECT[class=PacketPlayOutRemoveEntityEffect, id=59]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], PacketAdapter[plugin=DecentHolograms, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=NORMAL, packets=[USE_ENTITY[class=PacketPlayInUseEntity, id=13]], gamephase=PLAYING, options=[ASYNC]]], PacketAdapter[plugin=MyCommand, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=NORMAL, packets=[UPDATE_SIGN[class=PacketPlayInUpdateSign, id=43]], gamephase=PLAYING, options=[]]], PacketAdapter[plugin=LiteBans, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=NORMAL, packets=[CHAT[class=PacketPlayInChat, id=3]], gamephase=PLAYING, options=[ASYNC]]]]
packetInjector=com.comphenix.protocol.injector.netty.ProtocolInjector$5@31ef0bb0
playerInjection=com.comphenix.protocol.injector.netty.ProtocolInjector$4@35d738a9
inputBufferedPackets=[]
recievedListeners=com.comphenix.protocol.injector.SortedPacketListenerList@73c85f1e
sendingListeners=com.comphenix.protocol.injector.SortedPacketListenerList@b0d1ac2
hasClosed=false
classLoader=PluginClassLoader{plugin=ProtocolLib v4.8.0, pluginEnabled=true, url=plugins/ProtocolLib (13).jar}
reporter=com.comphenix.protocol.ProtocolLib$1@42762298
server=CraftServer{serverName=Paper,serverVersion=git-Paper-511,minecraftVersion=1.19.4}
library=ProtocolLib v4.8.0
asyncFilterManager=com.comphenix.protocol.async.AsyncFilterManager@7fe9de73
knowsServerPackets=true
knowsClientPackets=true
phaseLoginCount=0
phasePlayingCount=6
packetCreation=false
nettyInjector=com.comphenix.protocol.injector.netty.ProtocolInjector@524f4628
pluginVerifier=com.comphenix.protocol.injector.PluginVerifier@46883f17
hasRecycleDistance=true
minecraftVersion=(MC: 1.19.4)
debug=false
]
Sender:
com.comphenix.protocol.injector.netty.ChannelInjector@68063f3c[
decodeBuffer=protected void net.minecraft.network.PacketDecoder.decode(io.netty.channel.ChannelHandlerContext,io.netty.buffer.ByteBuf,java.util.List) throws java.lang.Exception
encodeBuffer=protected void net.minecraft.network.PacketEncoder.encode(io.netty.channel.ChannelHandlerContext,java.lang.Object,io.netty.buffer.ByteBuf) throws java.lang.Exception
factory=com.comphenix.protocol.injector.netty.InjectionFactory@46fce0e0
player=CraftPlayer{name=sebastiaannnnn}
updated=
playerName=sebastiaannnnn
playerConnection=net.minecraft.server.network.PlayerConnection@572877b2
networkManager=net.minecraft.network.NetworkManager@493e3828
originalChannel=[id: 0x5bc78682, L:/172.18.0.2:25570 - R:/172.18.0.1:43036]
channelField=VolatileField [accessor=DefaultFieldAccessor [field=public io.netty.channel.Channel net.minecraft.network.NetworkManager.m], container=net.minecraft.network.NetworkManager@493e3828, previous=[id: 0x5bc78682, L:/172.18.0.2:25570 - R:/172.18.0.1:43036], current=com.comphenix.protocol.injector.netty.ChannelInjector$3@6c482393, previousLoaded=true, currentSet=true, forceAccess=true]
packetMarker={}
currentEvent=
finalEvent=
unfilteredProcessedPackets=com.comphenix.protocol.injector.netty.PacketFilterQueue@4140c76a
vanillaDecoder=net.minecraft.network.PacketDecoder@79075812
vanillaEncoder=net.minecraft.network.PacketEncoder@3c826a82
finishQueue=[]
channelListener=com.comphenix.protocol.injector.netty.ProtocolInjector@524f4628
processor=com.comphenix.protocol.injector.NetworkProcessor@56c77ce8
injected=true
closed=false
cumulation=PooledUnsafeDirectByteBuf(ridx: 5, widx: 5, cap: 256)
cumulator=io.netty.handler.codec.ByteToMessageDecoder$1@70e3f8f
singleDecode=false
first=true
firedChannelRead=false
selfFiredChannelRead=true
decodeState=1
discardAfterReads=16
numReads=0
added=true
]
Version:
ProtocolLib v4.8.0
Java Version:
17.0.6
Server:
git-Paper-511 (MC: 1.19.4)

Please use the latest pre-release for 1.19.4 support. https://github.com/dmulloy2/ProtocolLib/releases/tag/5.0.0-rc1. ProtocolLib 4.8.0 does not support Minecraft 1.19.4.