Make sure you're doing the following

• [Y ] You're using the latest build for your server version
• [Y] This isn't an issue caused by another plugin
• [Y] You've checked for duplicate issues
• [N] You didn't use /reload - I used /reload a few times ingame nothing seemed to break until this moment.

Describe the question
This is popping up in my aternos server log (refer to image)

API method(s) used
Aternos Server - Logs

Expected behavior
To run smoothly without errors

Code
N/A

Additional context
Running my server on aternos, everytime I do that ProtocolLIB starts crashing and having errors.

This is what it showed me to copy paste here

**

Stack Trace: -- 35 | java.lang.IllegalArgumentException: Unable to find a field that matches {modifiers=[required: 10000, banned: 1000], type={ type input instanceof interface java.util.Map }} 36 | at com.comphenix.protocol.reflect.FuzzyReflection.getField(FuzzyReflection.java:352) 37 | at com.comphenix.protocol.injector.packet.PacketRegistry.createNewRegister(PacketRegistry.java:188) 38 | at com.comphenix.protocol.injector.packet.PacketRegistry.initialize(PacketRegistry.java:292) 39 | at com.comphenix.protocol.injector.packet.PacketRegistry.getClientPacketTypes(PacketRegistry.java:327) 40 | at com.comphenix.protocol.injector.PacketFilterManager.(PacketFilterManager.java:120) 41 | at com.comphenix.protocol.injector.PacketFilterBuilder.build(PacketFilterBuilder.java:121) 42 | at com.comphenix.protocol.ProtocolLib.onLoad(ProtocolLib.java:183) 43 | at org.bukkit.craftbukkit.v1_20_R2.CraftServer.loadPlugins(CraftServer.java:442) 44 | at net.minecraft.server.dedicated.DedicatedServer.e(DedicatedServer.java:219) 45 | at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:954) 46 | at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:298) 47 | at java.base/java.lang.Thread.run(Thread.java:840) 48 | Dump: 49 | Parameters: 50 | [NULL] 51 | Sender: 52 | com.comphenix.protocol.ProtocolLib@117c4adb[ 53 | statistics= 54 | packetTask= 55 | tickCounter=0 56 | configExpectedMod=-1 57 | updater=com.comphenix.protocol.updater.SpigotUpdater@1d1afcd3 58 | redirectHandler= 59 | scheduler=com.comphenix.protocol.scheduler.DefaultScheduler@63ef2a1f 60 | commandProtocol= 61 | commandPacket= 62 | commandFilter= 63 | packetLogging= 64 | skipDisable=false 65 | isEnabled=false 66 | loader=org.bukkit.plugin.java.JavaPluginLoader@70004729 67 | server=CraftServer{serverName=CraftBukkit,serverVersion=3946-Spigot-b60a866-7580463,minecraftVersion=1.20.2} 68 | file=plugins/ProtocolLib.jar 69 | description=org.bukkit.plugin.PluginDescriptionFile@49ef69bc 70 | dataFolder=plugins/ProtocolLib 71 | classLoader=org.bukkit.plugin.java.PluginClassLoader@64f2366e 72 | naggable=true 73 | newConfig=YamlConfiguration[path='', root='YamlConfiguration'] 74 | configFile=plugins/ProtocolLib/config.yml 75 | logger=org.bukkit.plugin.PluginLogger@21013103 76 | ] 77 | Version: 78 | ProtocolLib v5.1.0 79 | Java Version: 80 | 17.0.9 81 | Server: 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 com.comphenix.protocol.reflect.FuzzyReflection.getField(FuzzyReflection.java:[35](https://aternos.org/log/#L35)2) at com.comphenix.protocol.injector.packet.PacketRegistry.createNewRegister(PacketRegistry.java:188) at com.comphenix.protocol.injector.packet.PacketRegistry.initialize(PacketRegistry.java:292) at com.comphenix.protocol.injector.packet.PacketRegistry.getClientPacketTypes(PacketRegistry.java:327) at com.comphenix.protocol.injector.PacketFilterManager.(PacketFilterManager.java:120) at com.comphenix.protocol.injector.PacketFilterBuilder.build(PacketFilterBuilder.java:121) at com.comphenix.protocol.ProtocolLib.onLoad(ProtocolLib.java:183) at org.bukkit.craftbukkit.v1_20_R2.CraftServer.loadPlugins(CraftServer.java:442) at net.minecraft.server.dedicated.DedicatedServer.e(DedicatedServer.java:219) at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:954) at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:298) at java.base/java.lang.Thread.run(Thread.java:840) Dump: Parameters: [NULL] Sender: com.comphenix.protocol.ProtocolLib@117c4adb[ statistics= packetTask= tickCounter=0 configExpectedMod=-1 updater=com.comphenix.protocol.updater.SpigotUpdater@1d1afcd3 redirectHandler= scheduler=com.comphenix.protocol.scheduler.DefaultScheduler@63ef2a1f commandProtocol= commandPacket= commandFilter= packetLogging= skipDisable=false isEnabled=false loader=org.bukkit.plugin.java.JavaPluginLoader@70004729 server=CraftServer{serverName=CraftBukkit,serverVersion=3946-Spigot-b60a866-7580463,minecraftVersion=1.20.2} file=plugins/ProtocolLib.jar description=org.bukkit.plugin.PluginDescriptionFile@49ef69bc dataFolder=plugins/ProtocolLib classLoader=org.bukkit.plugin.java.PluginClassLoader@64f2[36](https://aternos.org/log/#L36)6e naggable=true newConfig=YamlConfiguration[path='', root='YamlConfiguration'] configFile=plugins/ProtocolLib/config.yml logger=org.bukkit.plugin.PluginLogger@21013103 ] Version: ProtocolLib v5.1.0 Java Version: 17.0.9 Server:**