---- Minecraft Network Protocol Error Report ---- // Too many suspicious packets Time: 2026-01-17 01:02:47 Description: Packet handling error io.netty.handler.codec.DecoderException: Failed to decode packet 'clientbound/minecraft:cookie_request' at knot//net.minecraft.class_9136.method_56425(class_9136.java:41) at knot//net.minecraft.class_9136.decode(class_9136.java:14) at knot//net.minecraft.class_2543.decode(class_2543.java:30) at knot//io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:530) at knot//io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:469) at knot//io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290) at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356) at knot//io.netty.handler.flow.FlowControlHandler.dequeue(FlowControlHandler.java:201) at knot//io.netty.handler.flow.FlowControlHandler.channelRead(FlowControlHandler.java:163) at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:354) at knot//io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) at knot//io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356) at knot//io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) at knot//io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356) at knot//io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356) at knot//io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:293) at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:354) at knot//io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1429) at knot//io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:918) at knot//io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:168) at knot//io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.handle(AbstractNioChannel.java:445) at knot//io.netty.channel.nio.NioIoHandler$DefaultNioRegistration.handle(NioIoHandler.java:388) at knot//io.netty.channel.nio.NioIoHandler.processSelectedKey(NioIoHandler.java:596) at knot//io.netty.channel.nio.NioIoHandler.processSelectedKeysOptimized(NioIoHandler.java:571) at knot//io.netty.channel.nio.NioIoHandler.processSelectedKeys(NioIoHandler.java:512) at knot//io.netty.channel.nio.NioIoHandler.run(NioIoHandler.java:484) at knot//io.netty.channel.SingleThreadIoEventLoop.runIo(SingleThreadIoEventLoop.java:225) at knot//io.netty.channel.SingleThreadIoEventLoop.run(SingleThreadIoEventLoop.java:196) at knot//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:1193) at knot//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.base/java.lang.Thread.run(Unknown Source) Caused by: net.minecraft.class_151: Non [a-z0-9_.-] character in namespace of location: {\"color\":\"red\",\"extra\":[{\"color\":\"gray\",\"text\":\"\\n\\nPlease reconnect to the server.\\nIf this does not resolve your issue, please contact staff.\"}],\"text\":\"Whoops! Something went wrong!\"} at knot//net.minecraft.class_2960.method_45135(class_2960.java:250) at knot//net.minecraft.class_2960.method_60936(class_2960.java:39) at knot//net.minecraft.class_2960.method_12838(class_2960.java:71) at knot//net.minecraft.class_2960.method_60654(class_2960.java:47) at knot//net.minecraft.class_2540.method_10810(class_2540.java:622) at knot//net.minecraft.class_9088.(class_9088.java:15) at knot//net.minecraft.class_9139$12.decode(class_9139.java:43) at knot//net.minecraft.class_9139$15.method_56441(class_9139.java:97) at knot//net.minecraft.class_9139$15.decode(class_9139.java:93) at knot//net.minecraft.class_9136.method_56425(class_9136.java:36) ... 33 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Netty NIO IO #2 Stacktrace: at knot//net.minecraft.class_2547.method_55622(class_2547.java:33) -- Connection -- Details: Protocol: configuration Flow: CLIENTBOUND Is Local: false Server type: OTHER Server brand: ~~NULL~~ Stacktrace: at knot//net.minecraft.class_2547.method_55622(class_2547.java:33) at knot//net.minecraft.class_2600.method_59803(class_2600.java:47) at knot//net.minecraft.class_8673.method_60882(class_8673.java:146) at knot//net.minecraft.class_8673.method_60881(class_8673.java:137) at knot//net.minecraft.class_2535.exceptionCaught(class_2535.java:134) at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:289) at knot//io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:271) at knot//io.netty.channel.ChannelInboundHandlerAdapter.exceptionCaught(ChannelInboundHandlerAdapter.java:143) at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:289) at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:359) at knot//io.netty.handler.flow.FlowControlHandler.dequeue(FlowControlHandler.java:201) at knot//io.netty.handler.flow.FlowControlHandler.channelRead(FlowControlHandler.java:163) at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:354) at knot//io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) at knot//io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356) at knot//io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) at knot//io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356) at knot//io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356) at knot//io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:293) at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:354) at knot//io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1429) at knot//io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:918) at knot//io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:168) at knot//io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.handle(AbstractNioChannel.java:445) at knot//io.netty.channel.nio.NioIoHandler$DefaultNioRegistration.handle(NioIoHandler.java:388) at knot//io.netty.channel.nio.NioIoHandler.processSelectedKey(NioIoHandler.java:596) at knot//io.netty.channel.nio.NioIoHandler.processSelectedKeysOptimized(NioIoHandler.java:571) at knot//io.netty.channel.nio.NioIoHandler.processSelectedKeys(NioIoHandler.java:512) at knot//io.netty.channel.nio.NioIoHandler.run(NioIoHandler.java:484) at knot//io.netty.channel.SingleThreadIoEventLoop.runIo(SingleThreadIoEventLoop.java:225) at knot//io.netty.channel.SingleThreadIoEventLoop.run(SingleThreadIoEventLoop.java:196) at knot//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:1193) at knot//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.base/java.lang.Thread.run(Unknown Source) -- System Details -- Details: Minecraft Version: 1.21.11 Minecraft Version ID: 1.21.11 Operating System: Windows 11 (amd64) version 10.0 Java Version: 21.0.3, Eclipse Adoptium Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Eclipse Adoptium Memory: 341441000 bytes (325 MiB) / 738197504 bytes (704 MiB) up to 2147483648 bytes (2048 MiB) CPUs: 8 Processor Vendor: GenuineIntel Processor Name: 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz Identifier: Intel64 Family 6 Model 140 Stepping 1 Microarchitecture: Tiger Lake Frequency (GHz): 2.80 Number of physical packages: 1 Number of physical CPUs: 4 Number of logical CPUs: 8 Graphics card #0 name: Intel(R) Iris(R) Xe Graphics Graphics card #0 vendor: Intel Corporation Graphics card #0 VRAM (MiB): 128.00 Graphics card #0 deviceId: VideoController1 Graphics card #0 versionInfo: 31.0.101.5522 Memory slot #0 capacity (MiB): 8192.00 Memory slot #0 clockSpeed (GHz): 3.20 Memory slot #0 type: DDR4 Virtual memory max (MiB): 23259.16 Virtual memory used (MiB): 16146.99 Swap memory total (MiB): 15283.86 Swap memory used (MiB): 1750.58 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: 28359.89, total: 200000.00 Space in storage for workdir (MiB): available: 28359.89, total: 200000.00 JVM Flags: 8 total; -Xmx2048M -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M -XX:ErrorFile=feather/java_error.log Debug Flags: 0 total; Fabric Mods: fabric-api: Fabric API 0.141.1+1.21.11 fabric-api-base: Fabric API Base 1.0.5+4ebb5c083e fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.113+1fb1cde93e fabric-biome-api-v1: Fabric Biome API (v1) 17.1.1+4fc5413f3e fabric-block-api-v1: Fabric Block API (v1) 1.1.10+4ebb5c083e fabric-block-view-api-v2: Fabric BlockView API (v2) 1.0.39+4ebb5c083e fabric-command-api-v2: Fabric Command API (v2) 2.4.7+6b42a6003e fabric-content-registries-v0: Fabric Content Registries (v0) 10.2.14+4fc5413f3e fabric-convention-tags-v1: Fabric Convention Tags 2.1.55+7f945d5b3e fabric-convention-tags-v2: Fabric Convention Tags (v2) 2.17.3+8ef948ba3e fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.3.23+4ebb5c083e fabric-data-attachment-api-v1: Fabric Data Attachment API (v1) 1.8.46+b6ef3aec3e fabric-data-generation-api-v1: Fabric Data Generation API (v1) 23.4.0+69974c4e3e fabric-dimensions-v1: Fabric Dimensions API (v1) 4.0.28+4fc5413f3e fabric-entity-events-v1: Fabric Entity Events (v1) 3.1.1+1d0ab4303e fabric-events-interaction-v0: Fabric Events Interaction (v0) 4.1.0+3b89ecf63e fabric-game-rule-api-v1: Fabric Game Rule API (v1) 2.0.3+4fc5413f3e fabric-item-api-v1: Fabric Item API (v1) 11.5.20+d0c46b9e3e fabric-item-group-api-v1: Fabric Item Group API (v1) 4.2.36+4fc5413f3e fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.1.7+4fc5413f3e fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.6.15+4ebb5c083e fabric-loot-api-v2: Fabric Loot API (v2) 3.0.73+3f89f5a53e fabric-loot-api-v3: Fabric Loot API (v3) 2.0.20+78c8b4663e fabric-message-api-v1: Fabric Message API (v1) 6.1.12+4ebb5c083e fabric-model-loading-api-v1: Fabric Model Loading API (v1) 6.0.14+4fc5413f3e fabric-networking-api-v1: Fabric Networking API (v1) 5.1.5+ae1e07683e fabric-object-builder-api-v1: Fabric Object Builder API (v1) 21.1.39+4fc5413f3e fabric-particles-v1: Fabric Particles (v1) 4.2.11+4fc5413f3e fabric-recipe-api-v1: Fabric Recipe API (v1) 8.2.3+4ebb5c083e fabric-registry-sync-v0: Fabric Registry Sync (v0) 6.2.5+1718722b3e fabric-renderer-api-v1: Fabric Renderer API (v1) 8.0.2+f4ffd2e53e fabric-renderer-indigo: Fabric Renderer - Indigo 5.0.2+f4ffd2e53e fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.1.43+4ebb5c083e fabric-rendering-v1: Fabric Rendering (v1) 16.2.9+7edacff13e fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 5.0.35+4fc5413f3e fabric-resource-loader-v0: Fabric Resource Loader (v0) 3.3.4+4fc5413f3e fabric-resource-loader-v1: Fabric Resource Loader (v1) 1.0.10+78c8b4663e fabric-screen-api-v1: Fabric Screen API (v1) 3.1.7+4ebb5c083e fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.3.161+4fc5413f3e fabric-serialization-api-v1: Fabric Serialization API (v1) 1.0.5+4ebb5c083e fabric-sound-api-v1: Fabric Sound API (v1) 1.0.51+4fc5413f3e fabric-tag-api-v1: Fabric Tag API (v1) 1.2.20+4fc5413f3e fabric-transfer-api-v1: Fabric Transfer API (v1) 6.0.24+4fc5413f3e fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 7.1.0+014c8cec3e fabricloader: Fabric Loader 0.18.4 mixinextras: MixinExtras 0.5.0 feather: Feather Client release/6e3b868b java: OpenJDK 64-Bit Server VM 21 minecraft: Minecraft 1.21.11