Describe the bug
Im just download ProtocolLib for IllegalStack

To Reproduce
Steps to reproduce the behavior:
[13:11:18 INFO]: Error Cannot enable ProtocolLib. (java.lang.RuntimeException: Unable to inject channel futures.) occured in ProtocolLib v4.6.0.
[13:11:18 ERROR]: [ProtocolLib] INTERNAL ERROR: Cannot enable ProtocolLib.
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: Unable to inject channel futures.
at com.comphenix.protocol.injector.netty.ProtocolInjector.inject(ProtocolInjector.java:223)
at com.comphenix.protocol.injector.PacketFilterManager.registerEvents(PacketFilterManager.java:887)
at com.comphenix.protocol.ProtocolLib.onEnable(ProtocolLib.java:387)
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263)
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:370)
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:500)
at org.bukkit.craftbukkit.v1_17_R1.CraftServer.enablePlugin(CraftServer.java:518)
at org.bukkit.craftbukkit.v1_17_R1.CraftServer.enablePlugins(CraftServer.java:432)
at net.minecraft.server.dedicated.DedicatedServer.init(DedicatedServer.java:285)
at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1121)
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:321)
at java.base/java.lang.Thread.run(Thread.java:831)
Caused by: java.lang.IllegalArgumentException: Unable to find a method that matches {modifiers=[required: 1, banned: 0], return={
methods=[{modifiers=[required: 0, banned: 0], params=[{Type: input instanceof class java.net.InetAddress, Index: 0}, {Type: input instanceof int, Index: 1}], paramCount=2}],
constructors=[{modifiers=[required: 0, banned: 0], params=[{Type: Exact class net.minecraft.server.dedicated.DedicatedServer, Index: null}], paramCount=1}]
}}
at com.comphenix.protocol.reflect.FuzzyReflection.getMethod(FuzzyReflection.java:174)
at com.comphenix.protocol.utility.MinecraftReflection.getServerConnectionClass(MinecraftReflection.java:1416)
at com.comphenix.protocol.injector.netty.ProtocolInjector.inject(ProtocolInjector.java:120)
... 11 more
Dump:
manager:
com.comphenix.protocol.injector.PacketFilterManager@5d87b33b[
unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@7804eb7c
packetListeners=[]
packetInjector=com.comphenix.protocol.injector.netty.ProtocolInjector$5@5ad261d4
playerInjection=com.comphenix.protocol.injector.netty.ProtocolInjector$4@459052f3
inputBufferedPackets=[]
recievedListeners=com.comphenix.protocol.injector.SortedPacketListenerList@256e2f11
sendingListeners=com.comphenix.protocol.injector.SortedPacketListenerList@7a6e6fcb
hasClosed=false
classLoader=PluginClassLoader{plugin=ProtocolLib v4.6.0, pluginEnabled=true, url=plugins\ProtocolLib.jar}
reporter=com.comphenix.protocol.ProtocolLib$1@74bba6c5
server=CraftServer{serverName=Purpur,serverVersion=git-Purpur-1182,minecraftVersion=1.17}
library=ProtocolLib v4.6.0
asyncFilterManager=com.comphenix.protocol.async.AsyncFilterManager@29e02a17
knowsServerPackets=true
knowsClientPackets=true
phaseLoginCount=0
phasePlayingCount=0
packetCreation=false
nettyInjector=com.comphenix.protocol.injector.netty.ProtocolInjector@287df676
pluginVerifier=com.comphenix.protocol.injector.PluginVerifier@1737b381
hasRecycleDistance=true
minecraftVersion=(MC: 1.17.0)
debug=false
]
Sender:
com.comphenix.protocol.ProtocolLib@f672f4e[
statistics=
backgroundCompiler=com.comphenix.protocol.reflect.compiler.BackgroundCompiler@486eb692
packetTask=-1
tickCounter=0
unhookTask=com.comphenix.protocol.injector.DelayedSingleTask@7804eb7c
configExpectedMod=-1
updater=com.comphenix.protocol.updater.SpigotUpdater@62efafa5
redirectHandler=com.comphenix.protocol.ProtocolLib$2@19b230f1
commandProtocol=com.comphenix.protocol.CommandProtocol@2f1971d6
commandPacket=com.comphenix.protocol.CommandPacket@12fe9881
commandFilter=com.comphenix.protocol.CommandFilter@d739ffc
packetLogging=com.comphenix.protocol.PacketLogging@5ce031b
skipDisable=false
isEnabled=true
loader=org.bukkit.plugin.java.JavaPluginLoader@613d55b5
server=CraftServer{serverName=Purpur,serverVersion=git-Purpur-1182,minecraftVersion=1.17}
file=plugins\ProtocolLib.jar
description=org.bukkit.plugin.PluginDescriptionFile@761f383
dataFolder=plugins\ProtocolLib
classLoader=PluginClassLoader{plugin=ProtocolLib v4.6.0, pluginEnabled=true, url=plugins\ProtocolLib.jar}
naggable=true
newConfig=YamlConfiguration[path='', root='YamlConfiguration']
configFile=plugins\ProtocolLib\config.yml
logger=com.destroystokyo.paper.utils.PaperPluginLogger@635f0ff3
]
Version:
ProtocolLib v4.6.0
Java Version:
16.0.1
Server:
git-Purpur-1182 (MC: 1.17)

Hi, seems you're on 1.17.x, try using the latest build.