[09:16:41 WARN]: [ProtocolLib] [DetailedErrorReporter] Internal exception count: 1024!
[09:16:41 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@707e9ec5.
[09:16:41 ERROR]: [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.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:808)
at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:408)
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:308)
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
at java.lang.Thread.run(Thread.java:750)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.comphenix.protocol.reflect.compiler.StructureCompiler.compile(StructureCompiler.java:233)
... 37 more
Caused by: java.lang.NoClassDefFoundError: net/minecraft/server/v1_16_R3/PacketPlayInFlying$PacketPlayInPosition
at com.comphenix.protocol.reflect.compiler.CompiledStructure$net_minecraft_network_play_client_CPlayerPacket_PositionPacket$java_lang_Object.(Unknown Source)
... 41 more
Dump:
Parameters:
io.netty.buffer.PooledUnsafeDirectByteBuf@4cdf7099[
memoryAddress=139893627945008
recyclerHandle=io.netty.util.Recycler$DefaultHandle@3149d1cf
chunk=Chunk(74e8aa38: 3%, 401408/16777216)
handle=4611686022722357249
memory=java.nio.DirectByteBuffer[pos=0 lim=16777216 cap=16777216]
offset=8224
length=26
maxLength=32
cache=io.netty.buffer.PoolThreadCache@12289a4a
tmpNioBuf=
allocator=PooledByteBufAllocator(directByDefault: true)
refCnt=1
readerIndex=26
writerIndex=26
markedReaderIndex=0
markedWriterIndex=0
maxCapacity=2147483647
]
manager:
com.comphenix.protocol.injector.PacketFilterManager@7c7d6f9a[
unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@db8e8c9
packetListeners=[PacketAdapter[plugin=AntiAttack, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=HIGH, packets=[SET_PROTOCOL[class=PacketHandshakingInSetProtocol, id=0]], gamephase=PLAYING, options=[]]], PacketAdapter[plugin=AntiAttack, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=HIGH, packets=[TAB_COMPLETE[class=PacketPlayInTabComplete, id=6]], gamephase=PLAYING, options=[]]], PacketAdapter[plugin=AntiAttack, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=HIGH, packets=[PING[class=PacketStatusInPing, id=1]], gamephase=PLAYING, options=[]]], PacketAdapter[plugin=AntiAttack, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=HIGH, packets=[SET_CREATIVE_SLOT[class=PacketPlayInSetCreativeSlot, id=40]], gamephase=PLAYING, options=[]]], PacketAdapter[plugin=AuthMe, sending=ListeningWhitelist[priority=NORMAL, packets=[SET_SLOT[class=PacketPlayOutSetSlot, id=22], WINDOW_ITEMS[class=PacketPlayOutWindowItems, id=20]], gamephase=PLAYING, options=[]], receiving=EMPTY_WHITELIST], PacketAdapter[plugin=AntiAttack, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=HIGH, packets=[START[class=PacketStatusInStart, id=0]], gamephase=PLAYING, options=[]]], PacketAdapter[plugin=AntiAttack, sending=EMPTY_WHITELIST, receiving=ListeningWhitelist[priority=NORMAL, packets=[UPDATE_SIGN[class=PacketPlayInUpdateSign, id=43], ARM_ANIMATION[class=PacketPlayInArmAnimation, id=44], SET_JIGSAW[class=PacketPlayInSetJigsaw, id=41], STRUCT[class=PacketPlayInStruct, id=42], BLOCK_PLACE[class=PacketPlayInBlockPlace, id=47], SPECTATE[class=PacketPlayInSpectate, id=45], USE_ITEM[class=PacketPlayInUseItem, id=46], B_EDIT[class=PacketPlayInBEdit, id=11], ENTITY_NBT_QUERY[class=PacketPlayInEntityNBTQuery, id=12], CLOSE_WINDOW[class=PacketPlayInCloseWindow, id=9], CUSTOM_PAYLOAD[class=PacketPlayInCustomPayload, id=10], SET_PROTOCOL[class=PacketHandshakingInSetProtocol, id=0], KEEP_ALIVE[class=PacketPlayInKeepAlive, id=15], DIFFICULTY_LOCK[class=PacketPlayInDifficultyLock, id=16], USE_ENTITY[class=PacketPlayInUseEntity, id=13], JIGSAW_GENERATE[class=PacketPlayInJigsawGenerate, id=14], LOOK[class=PacketPlayInLook, id=19], POSITION[class=PacketPlayInPosition, id=17], POSITION_LOOK[class=PacketPlayInPositionLook, id=18], PICK_ITEM[class=PacketPlayInPickItem, id=23], AUTO_RECIPE[class=PacketPlayInAutoRecipe, id=24], VEHICLE_MOVE[class=PacketPlayInVehicleMove, id=21], BOAT_MOVE[class=PacketPlayInBoatMove, id=22], ENTITY_ACTION[class=PacketPlayInEntityAction, id=27], STEER_VEHICLE[class=PacketPlayInSteerVehicle, id=28], ABILITIES[class=PacketPlayInAbilities, id=25], BLOCK_DIG[class=PacketPlayInBlockDig, id=26], RECIPE_DISPLAYED[class=PacketPlayInRecipeDisplayed, id=31], ITEM_NAME[class=PacketPlayInItemName, id=32], RECIPE_SETTINGS[class=PacketPlayInRecipeSettings, id=30], START[class=PacketLoginInStart, id=0], TR_SEL[class=PacketPlayInTrSel, id=35], BEACON[class=PacketPlayInBeacon, id=36], RESOURCE_PACK_STATUS[class=PacketPlayInResourcePackStatus, id=33], ADVANCEMENTS[class=PacketPlayInAdvancements, id=34], SET_COMMAND_MINECART[class=PacketPlayInSetCommandMinecart, id=39], SET_CREATIVE_SLOT[class=PacketPlayInSetCreativeSlot, id=40], HELD_ITEM_SLOT[class=PacketPlayInHeldItemSlot, id=37], SET_COMMAND_BLOCK[class=PacketPlayInSetCommandBlock, id=38], START[class=PacketStatusInStart, id=0], PING[class=PacketStatusInPing, id=1], ENCRYPTION_BEGIN[class=PacketLoginInEncryptionBegin, id=1], CUSTOM_PAYLOAD[class=PacketLoginInCustomPayload, id=2], TRANSACTION[class=PacketPlayInTransaction, id=255], TELEPORT_ACCEPT[class=PacketPlayInTeleportAccept, id=0], FLYING[class=PacketPlayInFlying, id=254], CHAT[class=PacketPlayInChat, id=3], CLIENT_COMMAND[class=PacketPlayInClientCommand, id=4], TILE_NBT_QUERY[class=PacketPlayInTileNBTQuery, id=1], DIFFICULTY_CHANGE[class=PacketPlayInDifficultyChange, id=2], ENCHANT_ITEM[class=PacketPlayInEnchantItem, id=7], WINDOW_CLICK[class=PacketPlayInWindowClick, id=8], SETTINGS[class=PacketPlayInSettings, id=5], TAB_COMPLETE[class=PacketPlayInTabComplete, id=6]], gamephase=PLAYING, options=[]]]]
packetInjector=com.comphenix.protocol.injector.netty.ProtocolInjector$5@3db3242d
playerInjection=com.comphenix.protocol.injector.netty.ProtocolInjector$4@c65a826
inputBufferedPackets=[]
recievedListeners=com.comphenix.protocol.injector.SortedPacketListenerList@1b73178f
sendingListeners=com.comphenix.protocol.injector.SortedPacketListenerList@51c74a88
hasClosed=false
classLoader=org.bukkit.plugin.java.PluginClassLoader@20d4d40b
reporter=com.comphenix.protocol.ProtocolLib$1@75f19ed1
server=CraftServer{serverName=Mohist,serverVersion=1.16.5-1095,minecraftVersion=1.16.5}
library=ProtocolLib v4.8.0
asyncFilterManager=com.comphenix.protocol.async.AsyncFilterManager@57b886af
knowsServerPackets=true
knowsClientPackets=true
phaseLoginCount=3
phasePlayingCount=7
packetCreation=false
nettyInjector=com.comphenix.protocol.injector.netty.ProtocolInjector@2347d80d
pluginVerifier=com.comphenix.protocol.injector.PluginVerifier@1f95e77a
hasRecycleDistance=true
minecraftVersion=(MC: 1.16.5)
debug=false
]
Sender:
com.comphenix.protocol.injector.netty.ChannelInjector@707e9ec5[
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@57cc5eb4
player=CraftPlayer{name=GYF0814}
updated=CraftPlayer{name=GYF0814}
playerName=GYF0814
playerConnection=
networkManager=net.minecraft.network.NetworkManager@65dde3b3
originalChannel=[id: 0xc919a87a, L:/172.18.0.20:26630 - R:/61.152.197.76:12965]
channelField=VolatileField [accessor=DefaultFieldAccessor [field=public io.netty.channel.Channel net.minecraft.network.NetworkManager.field_150746_k], container=net.minecraft.network.NetworkManager@65dde3b3, previous=[id: 0xc919a87a, L:/172.18.0.20:26630 - R:/61.152.197.76:12965], current=com.comphenix.protocol.injector.netty.ChannelInjector$3@377de795, previousLoaded=true, currentSet=true, forceAccess=true]
packetMarker={}
currentEvent=
finalEvent=
unfilteredProcessedPackets=com.comphenix.protocol.injector.netty.PacketFilterQueue@4a8605e3
vanillaDecoder=net.minecraft.network.NettyPacketDecoder@404ca77b
vanillaEncoder=net.minecraft.network.NettyPacketEncoder@7d7c3d75
finishQueue=[]
channelListener=com.comphenix.protocol.injector.netty.ProtocolInjector@2347d80d
processor=com.comphenix.protocol.injector.NetworkProcessor@5fb69c42
injected=true
closed=false
cumulation=PooledUnsafeDirectByteBuf(ridx: 26, widx: 26, cap: 26)
cumulator=io.netty.handler.codec.ByteToMessageDecoder$1@35268f9b
singleDecode=false
decodeWasNull=false
first=true
decodeState=1
discardAfterReads=16
numReads=0
added=true
]
Version:
ProtocolLib v4.8.0
Java Version:
1.8.0_345
Server:
1.16.5-1095 (MC: 1.16.5)

server=CraftServer{serverName=Mohist,serverVersion=1.16.5-1095,minecraftVersion=1.16.5}
library=ProtocolLib v4.8.0

Another request... Oh...
Read what it says on the Spigot website.
PL 4.8.0 doesn't support mintcraft 1.16.5.
Please read what is written in plugin updates, you have eyes for a reason...
You need PL 4.6.0 for compatibility with your server 1.16.5
@GYF0814

Don't forget close issue

server=CraftServer{serverName=Mohist,serverVersion=1.16.5-1095,minecraftVersion=1.16.5} library=ProtocolLib v4.8.0

Another request... Oh... Read what it says on the Spigot website. PL 4.8.0 doesn't support mintcraft 1.16.5. Please read what is written in plugin updates, you have eyes for a reason... You need PL 4.6.0 for compatibility with your server 1.16.5 @GYF0814

thank you so much and this works!