Protocol lib error on 1.21.1 server

[kubaaa203]

• [ x ] This issue is not solved in a development build

Describe the bug
INTERNAL ERROR: Cannot load ProtocolLib.

To Reproduce
Steps to reproduce the behavior:
0. 'Put protocollib 5.2.0 into plugins folder'

1. Go to 'falix.net'
2. Click on 'start'
3. Scroll down to 'where it says protocolLib info in console'
4. See error

Expected behavior
Plugin works, which is needed for other plugins to work

Screenshots
If applicable, add screenshots to help explain your problem.

Version Info
https://pastebin.com/aWXbz8xF

Additional context
srr couldnt paste full error into pastebin for some reason so here it is:
[13:03:03] [Server thread/INFO]: [ProtocolLib] Loading server plugin ProtocolLib v5.2.0-SNAPSHOT-679 [13:03:03] [Server thread/WARN]: [ProtocolLib] Version (MC: 1.21.1) has not yet been tested! Proceed with caution. [13:03:08] [Server thread/ERROR]: [ProtocolLib] Assuming package version: v1_21_R1 [13:03:08] [Server thread/ERROR]: [ProtocolLib] INTERNAL ERROR: Cannot load 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.IllegalArgumentException: Unable to find a field that matches {modifiers=[required: 10000, banned: 1000], type={ type input instanceof interface java.util.Map }} at ProtocolLib.jar//com.comphenix.protocol.reflect.FuzzyReflection.getField(FuzzyReflection.java:352) at ProtocolLib.jar//com.comphenix.protocol.injector.packet.PacketRegistry.createNewRegister(PacketRegistry.java:183) at ProtocolLib.jar//com.comphenix.protocol.injector.packet.PacketRegistry.initialize(PacketRegistry.java:334) at ProtocolLib.jar//com.comphenix.protocol.injector.packet.PacketRegistry.getClientPacketTypes(PacketRegistry.java:369) at ProtocolLib.jar//com.comphenix.protocol.injector.PacketFilterManager.<init>(PacketFilterManager.java:120) at ProtocolLib.jar//com.comphenix.protocol.injector.PacketFilterBuilder.build(PacketFilterBuilder.java:121) at ProtocolLib.jar//com.comphenix.protocol.ProtocolLib.onLoad(ProtocolLib.java:183) at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:59) at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:18) at io.papermc.paper.plugin.storage.SimpleProviderStorage.enter(SimpleProviderStorage.java:39) at io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enter(LaunchEntryPointHandler.java:40) at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:560) at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:329) at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1231) at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:334) at java.base/java.lang.Thread.run(Thread.java:1583) Dump: Parameters: [NULL] Sender: com.comphenix.protocol.ProtocolLib@71a980cb[ statistics=<null> packetTask=<null> tickCounter=0 configExpectedMod=-1 updater=com.comphenix.protocol.updater.SpigotUpdater@293d4cd4 redirectHandler=<null> scheduler=com.comphenix.protocol.scheduler.DefaultScheduler@14af3ee0 commandProtocol=<null> commandPacket=<null> commandFilter=<null> packetLogging=<null> skipDisable=false isEnabled=false loader=io.papermc.paper.plugin.manager.DummyBukkitPluginLoader@6002d26a server=CraftServer{serverName=Purpur,serverVersion=1.21.1-2308-8332fa4,minecraftVersion=1.21.1} file=plugins/.paper-remapped/ProtocolLib.jar description=org.bukkit.plugin.PluginDescriptionFile@666085b3 pluginMeta=org.bukkit.plugin.PluginDescriptionFile@666085b3 dataFolder=plugins/ProtocolLib classLoader=PluginClassLoader{plugin=ProtocolLib v5.2.0-SNAPSHOT-679, pluginEnabled=false, url=plugins/.paper-remapped/ProtocolLib.jar} naggable=true newConfig=YamlConfiguration[path='', root='YamlConfiguration'] configFile=plugins/ProtocolLib/config.yml logger=com.destroystokyo.paper.utils.PaperPluginLogger@331287ff lifecycleEventManager=io.papermc.paper.plugin.lifecycle.event.PaperLifecycleEventManager@2cfe6ce allowsLifecycleRegistration=true ] Version: ProtocolLib v5.2.0-SNAPSHOT-679 Java Version: 21.0.3 Server: 1.21.1-2308-8332fa4 (MC: 1.21.1)

[FandMC]

I also encountered the issue of 1.21.1 not being able to start. The following is a detailed log
[22:19:49 WARN]: [ProtocolLib] Version (MC: 1.21.1) has not yet been tested! Proceed with caution.
[22:19:53 ERROR]: [ProtocolLib] Assuming package version: v1_21_R1
[22:19:53 ERROR]: [ProtocolLib] INTERNAL ERROR: Cannot load 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.IllegalArgumentException: Unable to find a field that matches {modifiers=[required: 10000, banned: 1000], type={ type input instanceof interface java.util.Map }}
at ProtocolLib (1).jar//com.comphenix.protocol.reflect.FuzzyReflection.getField(FuzzyReflection.java:352)
at ProtocolLib (1).jar//com.comphenix.protocol.injector.packet.PacketRegistry.createNewRegister(PacketRegistry.java:183)
at ProtocolLib (1).jar//com.comphenix.protocol.injector.packet.PacketRegistry.initialize(PacketRegistry.java:334)
at ProtocolLib (1).jar//com.comphenix.protocol.injector.packet.PacketRegistry.getClientPacketTypes(PacketRegistry.java:369)
at ProtocolLib (1).jar//com.comphenix.protocol.injector.PacketFilterManager.(PacketFilterManager.java:120)
at ProtocolLib (1).jar//com.comphenix.protocol.injector.PacketFilterBuilder.build(PacketFilterBuilder.java:121)
at ProtocolLib (1).jar//com.comphenix.protocol.ProtocolLib.onLoad(ProtocolLib.java:183)
at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:59)
at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:18)
at io.papermc.paper.plugin.storage.SimpleProviderStorage.enter(SimpleProviderStorage.java:39)
at io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enter(LaunchEntryPointHandler.java:40)
at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:551)
at org.bukkit.craftbukkit.CraftServer.reload(CraftServer.java:1137)
at org.bukkit.Bukkit.reload(Bukkit.java:1038)
at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:59)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:156)
at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:1005)
at org.bukkit.craftbukkit.CraftServer.dispatchServerCommand(CraftServer.java:990)
at net.minecraft.server.dedicated.DedicatedServer.handleConsoleInputs(DedicatedServer.java:530)
at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:479)
at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1598)
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1305)
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:327)
at java.base/java.lang.Thread.run(Thread.java:1583)
Dump:
Parameters:
[NULL]
Sender:
com.comphenix.protocol.ProtocolLib@76e43a32[
statistics=
packetTask=
tickCounter=0
configExpectedMod=-1
updater=com.comphenix.protocol.updater.SpigotUpdater@4a5d5ce7
redirectHandler=
scheduler=com.comphenix.protocol.scheduler.DefaultScheduler@1d3fca34
commandProtocol=
commandPacket=
commandFilter=
packetLogging=
skipDisable=false
isEnabled=false
loader=io.papermc.paper.plugin.manager.DummyBukkitPluginLoader@50811e8f
server=CraftServer{serverName=Leaves,serverVersion=1.21.1-61-23c47a3,minecraftVersion=1.21.1}
file=plugins.paper-remapped\ProtocolLib (1).jar
description=org.bukkit.plugin.PluginDescriptionFile@20cbc760
pluginMeta=org.bukkit.plugin.PluginDescriptionFile@20cbc760
dataFolder=plugins\ProtocolLib
classLoader=PluginClassLoader{plugin=ProtocolLib v5.2.0-SNAPSHOT-679, pluginEnabled=false, url=plugins.paper-remapped\ProtocolLib (1).jar}
naggable=true
newConfig=YamlConfiguration[path='', root='YamlConfiguration']
configFile=plugins\ProtocolLib\config.yml
logger=com.destroystokyo.paper.utils.PaperPluginLogger@6ab999e6
lifecycleEventManager=io.papermc.paper.plugin.lifecycle.event.PaperLifecycleEventManager@56d94233
allowsLifecycleRegistration=true
]
Version:
ProtocolLib v5.2.0-SNAPSHOT-679
Java Version:
21.0.4
Server:
1.21.1-61-23c47a3 (MC: 1.21.1)

[22:20:08 INFO]: [ProtocolLib] Enabling ProtocolLib v5.2.0-SNAPSHOT-679
[22:20:08 ERROR]: ******************************************************
[22:20:08 ERROR]: *** ProtocolLib does not support plugin reloaders! ***
[22:20:08 ERROR]: *** Please use the built-in reload command! ***
[22:20:08 ERROR]: ******************************************************
[22:20:08 INFO]: [ProtocolLib] Disabling ProtocolLib v5.2.0-SNAPSHOT-679
[22:20:08 ERROR]: [ProtocolLib] ╔══════════════════════════════════════════════════════════════════╗
[22:20:08 ERROR]: [ProtocolLib] ║ WARNING ║
[22:20:08 ERROR]: [ProtocolLib] ║ RELOADING THE SERVER WHILE PROTOCOL LIB IS ENABLED MIGHT ║
[22:20:08 ERROR]: [ProtocolLib] ║ LEAD TO UNEXPECTED ERRORS! ║
[22:20:08 ERROR]: [ProtocolLib] ║ ║
[22:20:08 ERROR]: [ProtocolLib] ║ Consider to cleanly restart your server if you encounter ║
[22:20:08 ERROR]: [ProtocolLib] ║ any issues related to Protocol Lib before opening an issue ║
[22:20:08 ERROR]: [ProtocolLib] ║ on GitHub! ║
[22:20:08 ERROR]: [ProtocolLib] ╚══════════════════════════════════════════════════════════════════╝

[MagmaBro123]

See #3235.