Protocollib not working on 1.21.1 purpur server

[FireCube-maker]

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.(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:561) at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:329) at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1230) at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:333) at java.base/java.lang.Thread.run(Thread.java:1583) Dump: Parameters: [NULL] Sender: com.comphenix.protocol.ProtocolLib@5161c7ee[ statistics= packetTask= tickCounter=0 configExpectedMod=-1 updater=com.comphenix.protocol.updater.SpigotUpdater@5a3ab74b redirectHandler= scheduler=com.comphenix.protocol.scheduler.DefaultScheduler@53b5555 commandProtocol= commandPacket= commandFilter= packetLogging= skipDisable=false isEnabled=false loader=io.papermc.paper.plugin.manager.DummyBukkitPluginLoader@740de22a server=CraftServer{serverName=Purpur,serverVersion=1.21.1-2327-4b57bed,minecraftVersion=1.21.1} file=plugins/.paper-remapped/ProtocolLib.jar description=org.bukkit.plugin.PluginDescriptionFile@b0c0d5 pluginMeta=org.bukkit.plugin.PluginDescriptionFile@b0c0d5 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@19db9aef lifecycleEventManager=io.papermc.paper.plugin.lifecycle.event.PaperLifecycleEventManager@4a41fcbb allowsLifecycleRegistration=true ] Version: ProtocolLib v5.2.0-SNAPSHOT-679 Java Version: 21.0.3 Server: 1.21.1-2327-4b57bed (MC: 1.21.1)

[Ingrim4]

Should be fixed in the latest release so please use the latest release and try again: https://github.com/dmulloy2/ProtocolLib/releases/latest