---- Minecraft Network Protocol Error Report ----
// Maybe a shark bit some cable

Time: 2025-05-13 01:19:27
Description: Packet handling error

io.netty.handler.codec.EncoderException: Sending unknown packet 'serverbound/minecraft:chat_session_update'
	at knot//net.minecraft.class_9136.method_56426(class_9136.java:47)
	at knot//net.minecraft.class_9136.encode(class_9136.java:14)
	at knot//net.minecraft.class_2545.method_10838(class_2545.java:26)
	at knot//net.minecraft.class_2545.encode(class_2545.java:12)
	at knot//io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:107)
	at knot//io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881)
	at knot//io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:863)
	at knot//io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:968)
	at knot//io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:856)
	at knot//io.netty.channel.ChannelOutboundHandlerAdapter.write(ChannelOutboundHandlerAdapter.java:113)
	at knot//net.minecraft.class_2535$2.write(class_2535.java:530)
	at knot//io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881)
	at knot//io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:940)
	at knot//io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:966)
	at knot//io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:934)
	at knot//io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:984)
	at knot//io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1025)
	at knot//io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:306)
	at knot//net.minecraft.class_2535.method_36942(class_2535.java:350)
	at knot//net.minecraft.class_2535.method_52917(class_2535.java:345)
	at knot//io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
	at knot//io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
	at knot//io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
	at knot//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569)
	at knot//io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
	at knot//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at java.base/java.lang.Thread.run(Thread.java:1583)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Netty Client IO #5
Stacktrace:
	at knot//net.minecraft.class_2547.method_55622(class_2547.java:33)

-- Connection --
Details:
	Protocol: configuration
	Flow: CLIENTBOUND
	Server type: OTHER
	Server brand: XCord
Stacktrace:
	at knot//net.minecraft.class_2547.method_55622(class_2547.java:33)
	at knot//net.minecraft.class_2600.method_59803(class_2600.java:62)
	at knot//net.minecraft.class_8673.method_60882(class_8673.java:136)
	at knot//net.minecraft.class_8673.method_60881(class_8673.java:127)
	at knot//net.minecraft.class_2535.exceptionCaught(class_2535.java:161)
	at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346)
	at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325)
	at knot//io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:317)
	at knot//io.netty.channel.DefaultChannelPipeline$HeadContext.exceptionCaught(DefaultChannelPipeline.java:1377)
	at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346)
	at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325)
	at knot//io.netty.channel.DefaultChannelPipeline.fireExceptionCaught(DefaultChannelPipeline.java:907)
	at knot//io.netty.channel.ChannelFutureListener$3.operationComplete(ChannelFutureListener.java:69)
	at knot//io.netty.channel.ChannelFutureListener$3.operationComplete(ChannelFutureListener.java:65)
	at knot//io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
	at knot//io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:557)
	at knot//io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
	at knot//io.netty.util.concurrent.DefaultPromise.addListener(DefaultPromise.java:185)
	at knot//io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:95)
	at knot//io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:30)
	at knot//net.minecraft.class_2535.method_36942(class_2535.java:364)
	at knot//net.minecraft.class_2535.method_52917(class_2535.java:345)
	at knot//io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
	at knot//io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
	at knot//io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
	at knot//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569)
	at knot//io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
	at knot//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at java.base/java.lang.Thread.run(Thread.java:1583)

-- System Details --
Details:
	Minecraft Version: 1.21.1
	Minecraft Version ID: 1.21.1
	Operating System: Windows 11 (amd64) version 10.0
	Java Version: 21.0.3, Microsoft
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
	Memory: 200828680 bytes (191 MiB) / 941621248 bytes (898 MiB) up to 4294967296 bytes (4096 MiB)
	CPUs: 12
	Processor Vendor: GenuineIntel
	Processor Name: Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz
	Identifier: Intel64 Family 6 Model 165 Stepping 2
	Microarchitecture: Comet Lake
	Frequency (GHz): 2.59
	Number of physical packages: 1
	Number of physical CPUs: 6
	Number of logical CPUs: 12
	Graphics card #0 name: NVIDIA GeForce GTX 1660 Ti
	Graphics card #0 vendor: NVIDIA
	Graphics card #0 VRAM (MiB): 6144.00
	Graphics card #0 deviceId: VideoController1
	Graphics card #0 versionInfo: 32.0.15.7628
	Memory slot #0 capacity (MiB): 16384.00
	Memory slot #0 clockSpeed (GHz): 2.67
	Memory slot #0 type: DDR4
	Virtual memory max (MiB): 23715.80
	Virtual memory used (MiB): 16767.80
	Swap memory total (MiB): 7424.00
	Swap memory used (MiB): 122.20
	Space in storage for jna.tmpdir (MiB): available: 113290.25, total: 487041.00
	Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 113290.25, total: 487041.00
	Space in storage for io.netty.native.workdir (MiB): available: 113290.25, total: 487041.00
	Space in storage for java.io.tmpdir (MiB): available: 113290.25, total: 487041.00
	Space in storage for workdir (MiB): available: 113290.25, total: 487041.00
	JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4096m -Xms256m
	Fabric Mods: 
		appleskin: AppleSkin 3.0.6+mc1.21
		architectury: Architectury 13.0.8
		auditory: Auditory 0.0.7-1.21.1
		biomeparticleweather: BiomeParticleWeather 5.3.1
		bookshelf: Bookshelf 21.1.58
		citresewn: CIT Resewn 1.2.2+1.21
			citresewn-defaults: CIT Resewn: Defaults 1.2.2+1.21
		cloth-config: Cloth Config v15 15.0.140
			cloth-basic-math: cloth-basic-math 0.6.1
		coroutil: CoroUtil 1.21.1-1.3.8
			forgeconfigapiport: Forge Config API Port 21.1.3
				com_electronwill_night-config_core: core 3.8.0
				com_electronwill_night-config_toml: toml 3.8.0
		creativecore: CreativeCore 2.13.1
			net_neoforged_bus: bus 7.2.0
		dsurround: Dynamic Surroundings 0.4.2
			org_openjdk_nashorn_nashorn-core: nashorn-core 15.4
		dynamic_fps: Dynamic FPS 3.9.3
			net_lostluma_battery: battery 1.3.0
		eatinganimationid: Eating Animation 1.21+1.9.72
		effective: Effective 2.4.4-1.21.1
			midnightlib: MidnightLib 1.5.7
			satin: Satin 2.0.0
			veil: Veil 1.0.0.83
				gg_moonflower_molang-compiler: molang-compiler 3.1.1.19
				io_github_spair_imgui-java-binding: imgui-java-binding 1.86.11
				io_github_spair_imgui-java-lwjgl3: imgui-java-lwjgl3 1.86.11
				io_github_spair_imgui-java-natives-linux: imgui-java-natives-linux 1.86.11
				io_github_spair_imgui-java-natives-macos-ft: imgui-java-natives-macos-ft 1.86.11
				io_github_spair_imgui-java-natives-windows: imgui-java-natives-windows 1.86.11
				org_lwjgl_lwjgl-opencl: lwjgl-opencl 3.3.3
				org_lwjgl_lwjgl-shaderc: lwjgl-shaderc 3.3.3
				org_lwjgl_lwjgl-shaderc_natives-linux: lwjgl-shaderc 3.3.3
				org_lwjgl_lwjgl-shaderc_natives-linux-arm64: lwjgl-shaderc 3.3.3
				org_lwjgl_lwjgl-shaderc_natives-macos: lwjgl-shaderc 3.3.3
				org_lwjgl_lwjgl-shaderc_natives-macos-arm64: lwjgl-shaderc 3.3.3
				org_lwjgl_lwjgl-shaderc_natives-windows: lwjgl-shaderc 3.3.3
				org_lwjgl_lwjgl-shaderc_natives-windows-arm64: lwjgl-shaderc 3.3.3
		enchdesc: EnchantmentDescriptions 21.1.7
		entity_model_features: Entity Model Features 2.4.1
		entity_texture_features: Entity Texture Features 6.2.9
			org_apache_httpcomponents_httpmime: httpmime 4.5.10
		extrasounds: ExtraSounds Next 1.4
		fabric-api: Fabric API 0.115.6+1.21.1
			fabric-api-base: Fabric API Base 0.4.42+6573ed8c19
			fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.70+b559734419
			fabric-biome-api-v1: Fabric Biome API (v1) 13.0.31+d527f9fd19
			fabric-block-api-v1: Fabric Block API (v1) 1.0.22+0af3f5a719
			fabric-block-view-api-v2: Fabric BlockView API (v2) 1.0.11+ebb2264e19
			fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.52+0af3f5a719
			fabric-client-tags-api-v1: Fabric Client Tags 1.1.15+6573ed8c19
			fabric-command-api-v1: Fabric Command API (v1) 1.2.49+f71b366f19
			fabric-command-api-v2: Fabric Command API (v2) 2.2.28+6ced4dd919
			fabric-commands-v0: Fabric Commands (v0) 0.2.66+df3654b319
			fabric-content-registries-v0: Fabric Content Registries (v0) 8.0.18+b559734419
			fabric-convention-tags-v1: Fabric Convention Tags 2.1.4+7f945d5b19
			fabric-convention-tags-v2: Fabric Convention Tags (v2) 2.11.0+a406e79519
			fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.2.29+0af3f5a719
			fabric-data-attachment-api-v1: Fabric Data Attachment API (v1) 1.4.3+a15b7ead19
			fabric-data-generation-api-v1: Fabric Data Generation API (v1) 20.2.28+16c4ae2519
			fabric-dimensions-v1: Fabric Dimensions API (v1) 4.0.0+6fc22b9919
			fabric-entity-events-v1: Fabric Entity Events (v1) 1.7.0+2122d82819
			fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.7.13+ba9dae0619
			fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.53+6ced4dd919
			fabric-item-api-v1: Fabric Item API (v1) 11.1.1+d5debaed19
			fabric-item-group-api-v1: Fabric Item Group API (v1) 4.1.7+def88e3a19
			fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.47+0af3f5a719
			fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.45+df3654b319
			fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.5.0+01d9a51c19
			fabric-loot-api-v2: Fabric Loot API (v2) 3.0.15+3f89f5a519
			fabric-loot-api-v3: Fabric Loot API (v3) 1.0.3+3f89f5a519
			fabric-message-api-v1: Fabric Message API (v1) 6.0.13+6573ed8c19
			fabric-model-loading-api-v1: Fabric Model Loading API (v1) 2.0.0+fe474d6b19
			fabric-networking-api-v1: Fabric Networking API (v1) 4.3.0+c7469b2119
			fabric-object-builder-api-v1: Fabric Object Builder API (v1) 15.2.1+40875a9319
			fabric-particles-v1: Fabric Particles (v1) 4.0.2+6573ed8c19
			fabric-recipe-api-v1: Fabric Recipe API (v1) 5.0.14+248df81c19
			fabric-registry-sync-v0: Fabric Registry Sync (v0) 5.2.0+34f5d91419
			fabric-renderer-api-v1: Fabric Renderer API (v1) 3.4.0+c705a49c19
			fabric-renderer-indigo: Fabric Renderer - Indigo 1.7.0+c705a49c19
			fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 3.2.68+df3654b319
			fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.3.49+73761d2e19
			fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.1.6+1daea21519
			fabric-rendering-v0: Fabric Rendering (v0) 1.1.71+df3654b319
			fabric-rendering-v1: Fabric Rendering (v1) 5.0.5+df16efd019
			fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 4.3.0+8dc279b119
			fabric-resource-loader-v0: Fabric Resource Loader (v0) 1.3.1+5b5275af19
			fabric-screen-api-v1: Fabric Screen API (v1) 2.0.25+8b68f1c719
			fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.3.88+b559734419
			fabric-sound-api-v1: Fabric Sound API (v1) 1.0.23+6573ed8c19
			fabric-transfer-api-v1: Fabric Transfer API (v1) 5.4.2+c24bd99419
			fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 6.2.0+45b9699719
		fabric-language-kotlin: Fabric Language Kotlin 1.13.2+kotlin.2.1.20
			org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 2.1.20
			org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 2.1.20
			org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 2.1.20
			org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 2.1.20
			org_jetbrains_kotlinx_atomicfu-jvm: atomicfu-jvm 0.27.0
			org_jetbrains_kotlinx_kotlinx-coroutines-core-jvm: kotlinx-coroutines-core-jvm 1.10.1
			org_jetbrains_kotlinx_kotlinx-coroutines-jdk8: kotlinx-coroutines-jdk8 1.10.1
			org_jetbrains_kotlinx_kotlinx-datetime-jvm: kotlinx-datetime-jvm 0.6.2
			org_jetbrains_kotlinx_kotlinx-io-bytestring-jvm: kotlinx-io-bytestring-jvm 0.7.0
			org_jetbrains_kotlinx_kotlinx-io-core-jvm: kotlinx-io-core-jvm 0.7.0
			org_jetbrains_kotlinx_kotlinx-serialization-cbor-jvm: kotlinx-serialization-cbor-jvm 1.8.0
			org_jetbrains_kotlinx_kotlinx-serialization-core-jvm: kotlinx-serialization-core-jvm 1.8.0
			org_jetbrains_kotlinx_kotlinx-serialization-json-jvm: kotlinx-serialization-json-jvm 1.8.0
		fabricloader: Fabric Loader 0.16.13
		fallingleaves: Falling Leaves 1.16.4
		fusion: Fusion 1.2.7
		fzzy_config: Fzzy Config 0.6.9+1.21
			blue_endless_jankson: jankson 1.2.3
			fabric-permissions-api-v0: fabric-permissions-api 0.3.1
			net_peanuuutz_tomlkt_tomlkt-jvm: tomlkt-jvm 0.3.7
		hold-my-items: Hold My Items 4.3
		iris: Iris 1.8.8+mc1.21.1
			io_github_douira_glsl-transformer: glsl-transformer 2.0.1
			org_anarres_jcpp: jcpp 1.4.14
			org_antlr_antlr4-runtime: antlr4-runtime 4.13.1
		java: OpenJDK 64-Bit Server VM 21
		jei: Just Enough Items 19.21.0.245
		lambdynlights: LambDynamicLights 4.1.2+1.21.1
			lambdynlights_api: LambDynamicLights (API) 4.1.2+1.21.1
				yumi-commons-collections: Yumi Commons: Collections 1.0.0-alpha.7
				yumi-commons-core: Yumi Commons: Core 1.0.0-alpha.7
				yumi-commons-event: Yumi Commons: Event 1.0.0-alpha.7
			pride: Pride Lib 1.2.1+1.21
			spruceui: SpruceUI 6.2.1+1.21
		languagereload: Language Reload 1.7.3+1.21.1
		lithium: Lithium 0.15.0+mc1.21.1
		logical_zoom: Logical Zoom 0.0.26
		minecraft: Minecraft 1.21.1
		mixinextras: MixinExtras 0.4.1
		modmenu: Mod Menu 11.0.3
		placeholder-api: Placeholder API 2.4.2+1.21
		playeranimator: Player Animator 2.0.1+1.21.1
		pommel: Pommel - Held Item Models 1.1.1+1.21.x
		presencefootsteps: Presence Footsteps 1.10.2+1.21
			kirin: Kirin UI 1.20.0+1.21
		prickle: PrickleMC 21.1.6
		puzzleslib: Puzzles Lib 21.1.33
		seriousplayeranimations: Serious Player Animations 1.2.0
		sodium: Sodium 0.6.13+mc1.21.1
		sound_physics_remastered: Sound Physics Remastered 1.21.1-1.4.12
		supermartijn642corelib: SuperMartijn642's Core Lib 1.1.18+a
		visuality: Visuality 0.7.7+1.21
		watut: What Are They Up To 1.21.0-1.2.7
		waveycapes: WaveyCapes 1.5.2
	Loaded Shaderpack: ComplementaryReimagined_r5.4.zip
		Profile: VERYLOW (+0 options changed by user)