Minecraft Network Protocol Error Report ---- // Don't worry, I'll be fine Time: 2025-09-18 07:07:49 Description: Packet handling error io.netty.handler.codec.DecoderException: java.util.zip.DataFormatException: invalid distance too far back at Genesis//io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:500) at Genesis//io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) at Genesis//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) at Genesis//io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) at Genesis//io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:333) at Genesis//io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:455) at Genesis//io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) at Genesis//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) at Genesis//io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) at Genesis//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) at Genesis//io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:289) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) at Genesis//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) at Genesis//io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) at Genesis//io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868) at Genesis//io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166) at Genesis//io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:796) at Genesis//io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:732) at Genesis//io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:658) at Genesis//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562) at Genesis//io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:998) at Genesis//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.util.zip.DataFormatException: invalid distance too far back at java.base/java.util.zip.Inflater.inflateBufferBuffer(Native Method) at java.base/java.util.zip.Inflater.inflate(Unknown Source) at Genesis//net.minecraft.class_2532.method_52897(SourceFile:79) at Genesis//net.minecraft.class_2532.decode(SourceFile:52) at Genesis//io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:530) at Genesis//io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:469) ... 31 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Netty Client IO #8 Stacktrace: at Genesis//net.minecraft.class_2547.method_55622(SourceFile:33) -- Connection -- Details: Protocol: play Flow: CLIENTBOUND Is Local: false Server type: OTHER Server brand: vanilla Stacktrace: at Genesis//net.minecraft.class_2547.method_55622(SourceFile:33) at Genesis//net.minecraft.class_2600.method_59803(SourceFile:62) at Genesis//net.minecraft.class_8673.method_60882(SourceFile:142) at Genesis//net.minecraft.class_8673.method_60881(SourceFile:133) at Genesis//net.minecraft.class_2535.exceptionCaught(SourceFile:161) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:325) at Genesis//io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:317) at Genesis//io.netty.channel.ChannelInboundHandlerAdapter.exceptionCaught(ChannelInboundHandlerAdapter.java:143) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:346) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:447) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) at Genesis//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) at Genesis//io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) at Genesis//io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:333) at Genesis//io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:455) at Genesis//io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) at Genesis//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) at Genesis//io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) at Genesis//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) at Genesis//io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:289) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) at Genesis//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) at Genesis//io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) at Genesis//io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) at Genesis//io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868) at Genesis//io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166) at Genesis//io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:796) at Genesis//io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:732) at Genesis//io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:658) at Genesis//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562) at Genesis//io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:998) at Genesis//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.base/java.lang.Thread.run(Unknown Source) -- System Details -- Details: Minecraft Version: 1.21.8 Minecraft Version ID: 1.21.8 Operating System: Windows 11 (amd64) version 10.0 Java Version: 21.0.1, Azul Systems, Inc. Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Azul Systems, Inc. Memory: 1721761792 bytes (1642 MiB) / 3867148288 bytes (3688 MiB) up to 4294967296 bytes (4096 MiB) CPUs: 16 Processor Vendor: AuthenticAMD Processor Name: AMD Ryzen 7 5700 Identifier: AuthenticAMD Family 25 Model 80 Stepping 0 Microarchitecture: Zen 3 Frequency (GHz): 3.69 Number of physical packages: 1 Number of physical CPUs: 8 Number of logical CPUs: 16 Graphics card #0 name: NVIDIA GeForce RTX 2070 SUPER Graphics card #0 vendor: NVIDIA Graphics card #0 VRAM (MiB): 8192.00 Graphics card #0 deviceId: VideoController1 Graphics card #0 versionInfo: 32.0.15.8129 Memory slot #0 capacity (MiB): 8192.00 Memory slot #0 clockSpeed (GHz): 3.20 Memory slot #0 type: DDR4 Memory slot #1 capacity (MiB): 8192.00 Memory slot #1 clockSpeed (GHz): 3.20 Memory slot #1 type: DDR4 Virtual memory max (MiB): 28047.80 Virtual memory used (MiB): 17911.45 Swap memory total (MiB): 11776.00 Swap memory used (MiB): 7.54 Space in storage for jna.tmpdir (MiB): Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): Space in storage for io.netty.native.workdir (MiB): Space in storage for java.io.tmpdir (MiB): available: 308290.53, total: 952852.00 Space in storage for workdir (MiB): available: 308290.53, total: 952852.00 JVM Flags: 8 total; -XX:+DisableAttachMechanism -XX:+DisableAttachMechanism -XX:+UseStringDeduplication -Xmx4096m -XX:+DisableAttachMechanism -XX:-CreateCoredumpOnCrash -XX:-CreateMinidumpOnCrash -XX:+DisableAttachMechanism Fabric Mods: fabric-api: Fabric API 0.133.4+1.21.8 fabric-api-base: Fabric API Base 0.5.0+cd8c0daa2c fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.101+946bf4c32c fabric-biome-api-v1: Fabric Biome API (v1) 16.0.11+946bf4c32c fabric-block-api-v1: Fabric Block API (v1) 1.1.3+946bf4c32c fabric-block-view-api-v2: Fabric BlockView API (v2) 1.0.31+946bf4c32c fabric-command-api-v2: Fabric Command API (v2) 2.3.1+52fff9ec2c fabric-content-registries-v0: Fabric Content Registries (v0) 10.1.0+c75de69d2c fabric-convention-tags-v1: Fabric Convention Tags 2.1.41+7f945d5b2c fabric-convention-tags-v2: Fabric Convention Tags (v2) 2.15.6+eb5df52f2c fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.3.15+946bf4c32c fabric-data-attachment-api-v1: Fabric Data Attachment API (v1) 1.8.13+38b5f74e2c fabric-data-generation-api-v1: Fabric Data Generation API (v1) 23.2.7+0b1ef9762c fabric-dimensions-v1: Fabric Dimensions API (v1) 4.0.20+948fc79a2c fabric-entity-events-v1: Fabric Entity Events (v1) 2.1.2+c9e472732c fabric-events-interaction-v0: Fabric Events Interaction (v0) 4.0.25+946bf4c32c fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.73+c64c9c5b2c fabric-item-api-v1: Fabric Item API (v1) 11.5.0+02ce13f42c fabric-item-group-api-v1: Fabric Item Group API (v1) 4.2.14+c5f9bbc12c fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.65+946bf4c32c fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.6.4+db4dfd852c fabric-loot-api-v2: Fabric Loot API (v2) 3.0.56+3f89f5a52c fabric-loot-api-v3: Fabric Loot API (v3) 2.0.3+946bf4c32c fabric-message-api-v1: Fabric Message API (v1) 6.1.2+946bf4c32c fabric-model-loading-api-v1: Fabric Model Loading API (v1) 5.2.7+946bf4c32c fabric-networking-api-v1: Fabric Networking API (v1) 5.0.3+4ddbf91b2c fabric-object-builder-api-v1: Fabric Object Builder API (v1) 21.1.9+946bf4c32c fabric-particles-v1: Fabric Particles (v1) 4.1.9+946bf4c32c fabric-recipe-api-v1: Fabric Recipe API (v1) 8.1.16+946bf4c32c fabric-registry-sync-v0: Fabric Registry Sync (v0) 6.1.29+946bf4c32c fabric-renderer-api-v1: Fabric Renderer API (v1) 7.0.4+208eed172c fabric-renderer-indigo: Fabric Renderer - Indigo 4.0.4+946bf4c32c fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.1.31+fa6cb72b2c fabric-rendering-v1: Fabric Rendering (v1) 12.5.1+fbe231d52c fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 5.0.25+98e6d6db2c fabric-resource-loader-v0: Fabric Resource Loader (v0) 3.1.12+020423442c fabric-screen-api-v1: Fabric Screen API (v1) 2.1.1+277ecf7d2c fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.3.138+946bf4c32c fabric-serialization-api-v1: Fabric Serialization API (v1) 1.0.0+fc0e5aba2c fabric-sound-api-v1: Fabric Sound API (v1) 1.0.42+946bf4c32c fabric-tag-api-v1: Fabric Tag API (v1) 1.2.2+946bf4c32c fabric-transfer-api-v1: Fabric Transfer API (v1) 6.0.6+946bf4c32c fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 6.5.0+c847ce762c fabric-language-kotlin: Fabric Language Kotlin 1.13.6+kotlin.2.2.20 org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 2.2.20 org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 2.2.20 org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 2.2.20 org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 2.2.20 org_jetbrains_kotlinx_atomicfu-jvm: atomicfu-jvm 0.29.0 org_jetbrains_kotlinx_kotlinx-coroutines-core-jvm: kotlinx-coroutines-core-jvm 1.10.2 org_jetbrains_kotlinx_kotlinx-coroutines-jdk8: kotlinx-coroutines-jdk8 1.10.2 org_jetbrains_kotlinx_kotlinx-datetime-jvm: kotlinx-datetime-jvm 0.7.1 org_jetbrains_kotlinx_kotlinx-io-bytestring-jvm: kotlinx-io-bytestring-jvm 0.8.0 org_jetbrains_kotlinx_kotlinx-io-core-jvm: kotlinx-io-core-jvm 0.8.0 org_jetbrains_kotlinx_kotlinx-serialization-cbor-jvm: kotlinx-serialization-cbor-jvm 1.9.0 org_jetbrains_kotlinx_kotlinx-serialization-core-jvm: kotlinx-serialization-core-jvm 1.9.0 org_jetbrains_kotlinx_kotlinx-serialization-json-jvm: kotlinx-serialization-json-jvm 1.9.0 fabricloader: fabricloader 0.17.2 ferritecore: FerriteCore 8.0.0 ichor: ichor 0.0.0 iris: Iris 1.9.1+mc1.21.7 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 lithium: Lithium 0.18.0+mc1.21.8 minecraft: Minecraft 1.21.8 mixinextras: mixinextras 0.5.0-rc.1 modmenu: Mod Menu 15.0.0 placeholder-api: Placeholder API 2.7.2+1.21.8 silk-all: Silk (All modules) 1.11.3 silk-commands: Silk Commands 1.11.3 silk-core: Silk Core 1.11.3 silk-game: Silk Game 1.11.3 silk-igui: Silk Inventory GUI 1.11.3 silk-nbt: Silk NBT 1.11.3 silk-network: Silk Network 1.11.3 silk-persistence: Silk Persistence 1.11.3 sodium: Sodium 0.6.13+mc1.21.6 veinminer: Veinminer 2.5.0 de_miraculixx_core_dev: core 2.5.0 fabric-permissions-api-v0: fabric-permissions-api 0.4.0 Loaded Shaderpack: ComplementaryReimagined_r5.3 (2).zip Profile: HIGH (+0 options changed by user)