• This issue is not solved in a development build

ERROR]: [ProtocolLib] INTERNAL ERROR: Unable to intercept a read client packet. This message is appearing in console and none of my disguises, skins etc. work

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 (1).jar//com.comphenix.protocol.reflect.FuzzyReflection.getFieldByType(FuzzyReflection.java:397)
at ProtocolLib (1).jar//com.comphenix.protocol.reflect.accessors.Accessors.getFieldAccessor(Accessors.java:57)
at ProtocolLib (1).jar//com.comphenix.protocol.injector.netty.ChannelInjector.handleLogin(ChannelInjector.java:658)
at ProtocolLib (1).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 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 ProtocolLib (1).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.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.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.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$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:833)
Dump:
Parameters:
io.netty.buffer.PooledUnsafeDirectByteBuf@5c936e31[
memoryAddress=139744413079456
recyclerHandle=io.netty.util.Recycler$DefaultHandle@4ca64544
chunk=Chunk(2053b3c5: 32%, 1335296/4194304)
handle=82190723264282625
memory=java.nio.DirectByteBuffer[pos=0 lim=4194304 cap=4194304]
offset=1196288
length=256
maxLength=256
cache=io.netty.buffer.PoolThreadCache@2773c288
tmpNioBuf=
allocator=PooledByteBufAllocator(directByDefault: true)
refCnt=2
readerIndex=34
writerIndex=34
markedReaderIndex=0
markedWriterIndex=0
maxCapacity=2147483647
]
manager:
com.comphenix.protocol.injector.PacketFilterManager@1ca8a43[
unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@58470d8
packetListeners=[PacketAdapter[plugin=ChatItem, sending=ListeningWhitelist[priority=LOWEST, packets=[CHAT[PLAY, SERVER, 15, classNames: [net.minecraft.network.protocol.game.PacketPlayOutChat, net.minecraft.network.protocol.game.ClientboundChatPacket, net.minecraft.network.play.server.SPacketChat] (unregistered)]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], PacketAdapter[plugin=ChatItem, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=MONITOR, packets=[SET_PROTOCOL[class=PacketHandshakingInSetProtocol, id=0]], gamephase=PLAYING, options=[]]], PacketAdapter[plugin=IllegalStack, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=NORMAL, packets=[USE_ENTITY[class=PacketPlayInUseEntity, id=13]], gamephase=PLAYING, options=[]]], PacketAdapter[plugin=WorldGuardExtraFlags, sending=ListeningWhitelist[priority=NORMAL, packets=[REMOVE_ENTITY_EFFECT[class=PacketPlayOutRemoveEntityEffect, id=59]], 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=Citizens, sending=ListeningWhitelist[priority=HIGHEST, packets=[PLAYER_INFO[class=ClientboundPlayerInfoUpdatePacket, id=54]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], PacketAdapter[plugin=CMI, sending=ListeningWhitelist[priority=HIGH, packets=[UNLOAD_CHUNK[class=PacketPlayOutUnloadChunk, id=29]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST]]
packetInjector=com.comphenix.protocol.injector.netty.ProtocolInjector$5@38742636
playerInjection=com.comphenix.protocol.injector.netty.ProtocolInjector$4@12ac432
inputBufferedPackets=[]
recievedListeners=com.comphenix.protocol.injector.SortedPacketListenerList@54e7cec6
sendingListeners=com.comphenix.protocol.injector.SortedPacketListenerList@72c37632
hasClosed=false
classLoader=PluginClassLoader{plugin=ProtocolLib v4.8.0, pluginEnabled=true, url=plugins/ProtocolLib (1).jar}
reporter=com.comphenix.protocol.ProtocolLib$1@6b1fabca
server=CraftServer{serverName=Paper,serverVersion=git-Paper-"50eacd3",minecraftVersion=1.19.3}
library=ProtocolLib v4.8.0
asyncFilterManager=com.comphenix.protocol.async.AsyncFilterManager@56b8917f
knowsServerPackets=true
knowsClientPackets=true
phaseLoginCount=0
phasePlayingCount=7
packetCreation=false
nettyInjector=com.comphenix.protocol.injector.netty.ProtocolInjector@187b6084
pluginVerifier=com.comphenix.protocol.injector.PluginVerifier@3f84c408
hasRecycleDistance=true
minecraftVersion=(MC: 1.19.3)
debug=false
]
Sender:
com.comphenix.protocol.injector.netty.ChannelInjector@432586ab[
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@2b0a9bbe
player=CraftPlayer{name=xXxMarvelxXx}
updated=
playerName=xXxMarvelxXx
playerConnection=
networkManager=net.minecraft.network.NetworkManager@740d890
originalChannel=[id: 0x25df1991, L:/172.18.0.2:25565 - R:/70.133.181.179:54100]
channelField=VolatileField [accessor=DefaultFieldAccessor [field=public io.netty.channel.Channel net.minecraft.network.NetworkManager.m], container=net.minecraft.network.NetworkManager@740d890, previous=[id: 0x25df1991, L:/172.18.0.2:25565 - R:/70.133.181.179:54100], current=com.comphenix.protocol.injector.netty.ChannelInjector$3@7d6818d6, previousLoaded=true, currentSet=true, forceAccess=true]
packetMarker={}
currentEvent=
finalEvent=
unfilteredProcessedPackets=com.comphenix.protocol.injector.netty.PacketFilterQueue@1297c90e
vanillaDecoder=net.minecraft.network.PacketDecoder@13921794
vanillaEncoder=net.minecraft.network.PacketEncoder@2ca749e7
finishQueue=[]
channelListener=com.comphenix.protocol.injector.netty.ProtocolInjector@187b6084
processor=com.comphenix.protocol.injector.NetworkProcessor@3dc73e8c
injected=true
closed=false
cumulation=PooledUnsafeDirectByteBuf(ridx: 34, widx: 34, cap: 256)
cumulator=io.netty.handler.codec.ByteToMessageDecoder$1@347d3787
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-"50eacd3" (MC: 1.19.3)

The version you are using does not support Minecraft 1.19.3. Use this one: https://github.com/dmulloy2/ProtocolLib/releases/tag/5.0.0-rc1