• This issue is not solved in a development build

Describe the bug
issue updating from version 5.0.0 protocolib doesn't seem to be too happy.

Issues going from version 5.0.0 to 5.1.0

Initial logs

[18:01:29 INFO]: [ProtocolLib] Loading server plugin ProtocolLib v5.1.0
[18:01:29 WARN]: [ProtocolLib] Version (MC: 1.20.2) has not yet been tested! Proceed with caution.
[18:01:29 ERROR]: [ProtocolLib] INTERNAL ERROR: Cannot load ProtocolLib.

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:188)
at ProtocolLib.jar//com.comphenix.protocol.injector.packet.PacketRegistry.initialize(PacketRegistry.java:292)
at ProtocolLib.jar//com.comphenix.protocol.injector.packet.PacketRegistry.getClientPacketTypes(PacketRegistry.java:327)
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:36)
at org.bukkit.craftbukkit.v1_20_R2.CraftServer.loadPlugins(CraftServer.java:528)
at net.minecraft.server.dedicated.DedicatedServer.e(DedicatedServer.java:310)
at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:1102)
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:320)
at java.base/java.lang.Thread.run(Thread.java:840)
Dump:
Parameters:
[NULL]
Sender:
com.comphenix.protocol.ProtocolLib@135238ab[
statistics=
packetTask=
tickCounter=0
configExpectedMod=-1
updater=com.comphenix.protocol.updater.SpigotUpdater@31419c2e
redirectHandler=
scheduler=com.comphenix.protocol.scheduler.DefaultScheduler@2728fee
commandProtocol=
commandPacket=
commandFilter=
packetLogging=
skipDisable=false
isEnabled=false
loader=io.papermc.paper.plugin.manager.DummyBukkitPluginLoader@101a1f95
server=CraftServer{serverName=Purpur,serverVersion=git-Purpur-2095,minecraftVersion=1.20.2}
file=plugins/ProtocolLib.jar
description=org.bukkit.plugin.PluginDescriptionFile@2f12b4de
pluginMeta=org.bukkit.plugin.PluginDescriptionFile@2f12b4de
dataFolder=plugins/ProtocolLib
classLoader=PluginClassLoader{plugin=ProtocolLib v5.1.0, pluginEnabled=false, url=plugins/ProtocolLib.jar}
naggable=true
newConfig=YamlConfiguration[path='', root='YamlConfiguration']
configFile=plugins/ProtocolLib/config.yml
logger=com.destroystokyo.paper.utils.PaperPluginLogger@79af053e
]
Version:
ProtocolLib v5.1.0
Java Version:
17.0.9
Server:
git-Purpur-2095 (MC: 1.20.2)

Seems the same as #2820 but on 1.20.4