Itemsadder wasint working because we needed to update the version to 21 or higher which we did to 1.20.6

So now protocollib does not work and we tried numerous of versions but its just no working, id like to get this working for my client as im doing a commision currently. Thanls

ERROR:

14:33:40] [Server thread/WARN]: [ProtocolLib] Version (MC: 1.20.6) has not yet been tested! Proceed with caution. -- 42 | [14:33:43] [Server thread/ERROR]: [ProtocolLib] INTERNAL ERROR: Cannot load ProtocolLib. 43 | If this problem hasn't already been reported, please open a ticket 44 | at https://github.com/dmulloy2/ProtocolLib/issues with the following data: 45 | Stack Trace: 46 | java.lang.IllegalArgumentException: Unable to find a field that matches {modifiers=[required: 10000, banned: 1000], type={ type input instanceof interface java.util.Map }} 47 | at ProtocolLib.jar//com.comphenix.protocol.reflect.FuzzyReflection.getField(FuzzyReflection.java:352) 48 | at ProtocolLib.jar//com.comphenix.protocol.injector.packet.PacketRegistry.createNewRegister(PacketRegistry.java:183) 49 | at ProtocolLib.jar//com.comphenix.protocol.injector.packet.PacketRegistry.initialize(PacketRegistry.java:334) 50 | at ProtocolLib.jar//com.comphenix.protocol.injector.packet.PacketRegistry.getClientPacketTypes(PacketRegistry.java:369) 51 | at ProtocolLib.jar//com.comphenix.protocol.injector.PacketFilterManager.(PacketFilterManager.java:120) 52 | at ProtocolLib.jar//com.comphenix.protocol.injector.PacketFilterBuilder.build(PacketFilterBuilder.java:121) 53 | at ProtocolLib.jar//com.comphenix.protocol.ProtocolLib.onLoad(ProtocolLib.java:183) 54 | at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:59) 55 | at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:18) 56 | at io.papermc.paper.plugin.storage.SimpleProviderStorage.enter(SimpleProviderStorage.java:39) 57 | at io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enter(LaunchEntryPointHandler.java:36) 58 | at org.bukkit.craftbukkit.v1_20_R4.CraftServer.loadPlugins(CraftServer.java:532) 59 | at net.minecraft.server.dedicated.DedicatedServer.e(DedicatedServer.java:286) 60 | at net.minecraft.server.MinecraftServer.y(MinecraftServer.java:1136) 61 | at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:323) 62 | at java.base/java.lang.Thread.run(Thread.java:1583) 63 | Dump: 64 | Parameters: 65 | [NULL] 66 | Sender: 67 | com.comphenix.protocol.ProtocolLib@37899aee[ 68 | statistics= 69 | packetTask= 70 | tickCounter=0 71 | configExpectedMod=-1 72 | updater=com.comphenix.protocol.updater.SpigotUpdater@2c19a8ee 73 | redirectHandler= 74 | scheduler=com.comphenix.protocol.scheduler.DefaultScheduler@573c1969 75 | commandProtocol= 76 | commandPacket= 77 | commandFilter= 78 | packetLogging= 79 | skipDisable=false 80 | isEnabled=false 81 | loader=io.papermc.paper.plugin.manager.DummyBukkitPluginLoader@54ca7cf0 82 | server=CraftServer{serverName=Paper,serverVersion=1.20.6-DEV-20f5165,minecraftVersion=1.20.6} 83 | file=plugins/ProtocolLib.jar 84 | description=org.bukkit.plugin.PluginDescriptionFile@49514f8b 85 | pluginMeta=org.bukkit.plugin.PluginDescriptionFile@49514f8b 86 | dataFolder=plugins/ProtocolLib 87 | classLoader=PluginClassLoader{plugin=ProtocolLib v5.2.0-SNAPSHOT-679, pluginEnabled=false, url=plugins/ProtocolLib.jar} 88 | naggable=true 89 | newConfig=YamlConfiguration[path='', root='YamlConfiguration'] 90 | configFile=plugins/ProtocolLib/config.yml 91 | logger=com.destroystokyo.paper.utils.PaperPluginLogger@36d6a0d0 92 | lifecycleEventManager=io.papermc.paper.plugin.lifecycle.event.PaperLifecycleEventManager@590261 93 | allowsLifecycleRegistration=true 94 | ] 95 | Version: 96 | ProtocolLib v5.2.0-SNAPSHOT-679 97 | Java Version: 98 | 21.0.2 99 | Server: 100 | 1.20.6-DEV-20f5165 (MC: 1.20.6) 14:33:40] [Server thread/WARN]: [ProtocolLib] Version (MC: 1.20.6) has not yet been tested! Proceed with caution. [14:33:43] [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.(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_R4.CraftServer.loadPlugins(CraftServer.java:532) at net.minecraft.server.dedicated.DedicatedServer.e(DedicatedServer.java:286) at net.minecraft.server.MinecraftServer.y(MinecraftServer.java:1136) at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:323) at java.base/java.lang.Thread.run(Thread.java:1583) Dump: Parameters: [NULL] Sender: com.comphenix.protocol.ProtocolLib@37899aee[ statistics= packetTask= tickCounter=0 configExpectedMod=-1 updater=com.comphenix.protocol.updater.SpigotUpdater@2c19a8ee redirectHandler= scheduler=com.comphenix.protocol.scheduler.DefaultScheduler@573c1969 commandProtocol= commandPacket= commandFilter= packetLogging= skipDisable=false isEnabled=false loader=io.papermc.paper.plugin.manager.DummyBukkitPluginLoader@54ca7cf0 server=CraftServer{serverName=Paper,serverVersion=1.20.6-DEV-20f5165,minecraftVersion=1.20.6} file=plugins/ProtocolLib.jar description=org.bukkit.plugin.PluginDescriptionFile@[49](https://mclo.gs/8DVaAj9#L49)514f8b pluginMeta=org.bukkit.plugin.PluginDescriptionFile@49514f8b dataFolder=plugins/ProtocolLib classLoader=PluginClassLoader{plugin=ProtocolLib v5.2.0-SNAPSHOT-679, pluginEnabled=false, url=plugins/ProtocolLib.jar} naggable=true newConfig=YamlConfiguration[path='', root='YamlConfiguration'] configFile=plugins/ProtocolLib/config.yml logger=com.destroystokyo.paper.utils.PaperPluginLogger@36d6a0d0 lifecycleEventManager=io.papermc.paper.plugin.lifecycle.event.PaperLifecycleEventManager@590261 allowsLifecycleRegistration=true ] Version: ProtocolLib v5.2.0-SNAPSHOT-679 Java Version: 21.0.2 Server: 1.20.6-DEV-20f[51](https://mclo.gs/8DVaAj9#L51)65 (MC: 1.20.6)

Please read all the other issues here with the same error... the solution is there...

um I did you just put the same message? mind actually explaining the issue?