[12:12:34] [Netty Server IO #2/WARN] [Minecraft/]: [ProtocolLib] [DetailedErrorReporter] Internal exception count: 128!
[12:12:34] [Netty Server IO #2/INFO] [/]: Error Unable to intercept a read client packet. (java.lang.RuntimeException: Error occured while instancing generated class.) occured in com.comphenix.protocol.injector.netty.ChannelInjector@4225ed06.
[12:12:34] [Netty Server IO #2/ERROR] [Minecraft/]: [ProtocolLib] INTERNAL ERROR: Unable to intercept a read client packet.
If this problem hasn't already been reported, please open a ticket
at https://github.com/dmulloy2/ProtocolLib/issues with the following data:
Stack Trace:
java.lang.RuntimeException: Error occured while instancing generated class.
at com.comphenix.protocol.reflect.compiler.StructureCompiler.compile(StructureCompiler.java:249)
at com.comphenix.protocol.reflect.compiler.CompiledStructureModifier.withTarget(CompiledStructureModifier.java:130)
at com.comphenix.protocol.events.PacketContainer.(PacketContainer.java:139)
at com.comphenix.protocol.injector.netty.ProtocolInjector.onPacketReceiving(ProtocolInjector.java:324)
at com.comphenix.protocol.injector.netty.ChannelInjector.decode(ChannelInjector.java:600)
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:489)
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:428)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:284)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
at com.comphenix.protocol.injector.netty.ChannelInjector$2.channelRead(ChannelInjector.java:292)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:284)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1434)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:965)
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:647)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:547)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:501)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:461)
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
at java.base/java.lang.Thread.run(Thread.java:833)
Caused by: java.lang.reflect.InvocationTargetException
at jdk.internal.reflect.GeneratedConstructorAccessor95.newInstance(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
at com.comphenix.protocol.reflect.compiler.StructureCompiler.compile(StructureCompiler.java:233)
... 39 more
Caused by: java.lang.NoClassDefFoundError: net/minecraft/server/v1_16_R3/PacketPlayInFlying$PacketPlayInPosition
at com.comphenix.protocol.reflect.compiler.CompiledStructure$net_minecraft_network_play_client_CPlayerPacket_PositionPacket$java_lang_Object.(Unknown Source)
... 44 more
Dump:
Parameters:
io.netty.buffer.PooledUnsafeDirectByteBuf@c12376[
memoryAddress=2033716772928
recyclerHandle=io.netty.util.Recycler$DefaultHandle@7bc92c36
chunk=Chunk(65b34262: 3%, 401408/16777216)
handle=4611686018427389953
memory=java.nio.DirectByteBuffer[pos=0 lim=16777216 cap=16777216]
offset=8192
length=26
maxLength=32
cache=io.netty.buffer.PoolThreadCache@695cbdb9
tmpNioBuf=
allocator=PooledByteBufAllocator(directByDefault: true)
refCnt=1
readerIndex=26
writerIndex=26
markedReaderIndex=0
markedWriterIndex=0
maxCapacity=2147483647
]
manager:
com.comphenix.protocol.injector.PacketFilterManager@2dca29be[
unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@2177f8cb
packetListeners=[PacketAdapter[plugin=DecentHolograms, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=NORMAL, packets=[USE_ENTITY[class=PacketPlayInUseEntity, id=13]], gamephase=PLAYING, options=[ASYNC]]], com.bergerkiller.bukkit.common.internal.network.ProtocolLibPacketHandler$CommonPacketListener@300e8887, PacketAdapter[plugin=RoyaleEconomy, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=NORMAL, packets=[UPDATE_SIGN[class=PacketPlayInUpdateSign, id=43]], gamephase=PLAYING, options=[]]], com.guillaumevdn.gcore.lib.legacy_npc.NPCPacketListener@5930d7aa, PacketAdapter[plugin=SCore, sending=ListeningWhitelist[priority=NORMAL, packets=[WORLD_PARTICLES[class=PacketPlayOutWorldParticles, id=36]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], com.bergerkiller.bukkit.common.internal.network.ProtocolLibPacketHandler$CommonPacketMonitor@63aaaea6, com.bergerkiller.bukkit.common.internal.network.ProtocolLibPacketHandler$CommonPacketListener@730d6990, PacketAdapter[plugin=CMI, sending=ListeningWhitelist[priority=HIGH, packets=[UNLOAD_CHUNK[class=PacketPlayOutUnloadChunk, id=29]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], com.bergerkiller.bukkit.common.internal.network.ProtocolLibPacketHandler$CommonPacketListener@17fa5304, PacketAdapter[plugin=HolographicDisplays, sending=ListeningWhitelist[priority=NORMAL, packets=[REL_ENTITY_MOVE_LOOK[class=PacketPlayOutRelEntityMoveLook, id=42], REL_ENTITY_MOVE[class=PacketPlayOutRelEntityMove, id=41], ENTITY_METADATA[class=PacketPlayOutEntityMetadata, id=77], SPAWN_ENTITY_LIVING[class=PacketPlayOutSpawnEntityLiving, id=2], SPAWN_ENTITY[class=PacketPlayOutSpawnEntity, id=0]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST]]
packetInjector=com.comphenix.protocol.injector.netty.ProtocolInjector$5@3e2c79c3
playerInjection=com.comphenix.protocol.injector.netty.ProtocolInjector$4@424bc46b
inputBufferedPackets=[]
recievedListeners=com.comphenix.protocol.injector.SortedPacketListenerList@3e309245
sendingListeners=com.comphenix.protocol.injector.SortedPacketListenerList@209f94e8
hasClosed=false
classLoader=org.bukkit.plugin.java.PluginClassLoader@3957506
reporter=com.comphenix.protocol.ProtocolLib$1@7d200359
server=CraftServer{serverName=Mohist,serverVersion=1.16.5-1085,minecraftVersion=1.16.5}
library=ProtocolLib v4.8.0
asyncFilterManager=com.comphenix.protocol.async.AsyncFilterManager@5bccecdf
knowsServerPackets=true
knowsClientPackets=true
phaseLoginCount=0
phasePlayingCount=12
packetCreation=false
nettyInjector=com.comphenix.protocol.injector.netty.ProtocolInjector@2be04e
pluginVerifier=com.comphenix.protocol.injector.PluginVerifier@47984f1a
hasRecycleDistance=true
minecraftVersion=(MC: 1.16.5)
debug=false
]
Sender:
com.comphenix.protocol.injector.netty.ChannelInjector@4225ed06[
decodeBuffer=protected void net.minecraft.network.NettyPacketDecoder.decode(io.netty.channel.ChannelHandlerContext,io.netty.buffer.ByteBuf,java.util.List) throws java.lang.Exception
encodeBuffer=protected void net.minecraft.network.NettyPacketEncoder.encode(io.netty.channel.ChannelHandlerContext,java.lang.Object,io.netty.buffer.ByteBuf) throws java.lang.Exception
factory=com.comphenix.protocol.injector.netty.InjectionFactory@4bf0f257
player=CraftPlayer{name=IAMMB_}
updated=CraftPlayer{name=IAMMB_}
playerName=IAMMB_
playerConnection=
networkManager=net.minecraft.network.NetworkManager@2d8edb42
originalChannel=[id: 0xd4d2d143, L:/25.39.68.224:25567 - R:/25.50.122.8:49714]
channelField=VolatileField [accessor=DefaultFieldAccessor [field=public io.netty.channel.Channel net.minecraft.network.NetworkManager.field_150746_k], container=net.minecraft.network.NetworkManager@2d8edb42, previous=[id: 0xd4d2d143, L:/25.39.68.224:25567 - R:/25.50.122.8:49714], current=com.comphenix.protocol.injector.netty.ChannelInjector$3@2ba1a30b, previousLoaded=true, currentSet=true, forceAccess=true]
packetMarker={}
currentEvent=
finalEvent=
unfilteredProcessedPackets=com.comphenix.protocol.injector.netty.PacketFilterQueue@20724bff
vanillaDecoder=net.minecraft.network.NettyPacketDecoder@4b722aa4
vanillaEncoder=net.minecraft.network.NettyPacketEncoder@1d24a521
finishQueue=[]
channelListener=com.comphenix.protocol.injector.netty.ProtocolInjector@2be04e
processor=com.comphenix.protocol.injector.NetworkProcessor@9246d5e
injected=true
closed=false
cumulation=PooledUnsafeDirectByteBuf(ridx: 26, widx: 26, cap: 26)
cumulator=io.netty.handler.codec.ByteToMessageDecoder$1@53d951d4
singleDecode=false
decodeWasNull=false
first=true
decodeState=1
discardAfterReads=16
numReads=0
added=true
]
Version:
ProtocolLib v4.8.0
Java Version:
17.0.4.1
Server:
1.16.5-1085 (MC: 1.16.5)

what did you do?