| 1 | ---- Minecraft Network Protocol Error Report ----
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| 2 | |
| 3 |
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| 4 | Time: 2026-01-17 01:02:47
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| 5 | Description: Packet handling error
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| 6 |
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| 7 | io.netty.handler.codec.DecoderException: Failed to decode packet 'clientbound/minecraft:cookie_request'
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| 8 | at knot//net.minecraft.class_9136.method_56425(class_9136.java:41)
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| 9 | at knot//net.minecraft.class_9136.decode(class_9136.java:14)
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| 10 | at knot//net.minecraft.class_2543.decode(class_2543.java:30)
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| 11 | at knot//io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:530)
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| 12 | at knot//io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:469)
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| 13 | at knot//io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290)
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| 14 | at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356)
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| 15 | at knot//io.netty.handler.flow.FlowControlHandler.dequeue(FlowControlHandler.java:201)
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| 16 | at knot//io.netty.handler.flow.FlowControlHandler.channelRead(FlowControlHandler.java:163)
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| 17 | at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:354)
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| 18 | at knot//io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)
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| 19 | at knot//io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)
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| 20 | at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356)
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| 21 | at knot//io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)
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| 22 | at knot//io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)
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| 23 | at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356)
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| 24 | at knot//io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107)
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| 25 | at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356)
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| 26 | at knot//io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:293)
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| 27 | at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:354)
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| 28 | at knot//io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1429)
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| 29 | at knot//io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:918)
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| 30 | at knot//io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:168)
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| 31 | at knot//io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.handle(AbstractNioChannel.java:445)
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| 32 | at knot//io.netty.channel.nio.NioIoHandler$DefaultNioRegistration.handle(NioIoHandler.java:388)
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| 33 | at knot//io.netty.channel.nio.NioIoHandler.processSelectedKey(NioIoHandler.java:596)
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| 34 | at knot//io.netty.channel.nio.NioIoHandler.processSelectedKeysOptimized(NioIoHandler.java:571)
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| 35 | at knot//io.netty.channel.nio.NioIoHandler.processSelectedKeys(NioIoHandler.java:512)
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| 36 | at knot//io.netty.channel.nio.NioIoHandler.run(NioIoHandler.java:484)
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| 37 | at knot//io.netty.channel.SingleThreadIoEventLoop.runIo(SingleThreadIoEventLoop.java:225)
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| 38 | at knot//io.netty.channel.SingleThreadIoEventLoop.run(SingleThreadIoEventLoop.java:196)
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| 39 | at knot//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:1193)
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| 40 | at knot//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
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| 41 | at java.base/java.lang.Thread.run(Unknown Source)
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| 42 | 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!\"}
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| 43 | at knot//net.minecraft.class_2960.method_45135(class_2960.java:250)
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| 44 | at knot//net.minecraft.class_2960.method_60936(class_2960.java:39)
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| 45 | at knot//net.minecraft.class_2960.method_12838(class_2960.java:71)
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| 46 | at knot//net.minecraft.class_2960.method_60654(class_2960.java:47)
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| 47 | at knot//net.minecraft.class_2540.method_10810(class_2540.java:622)
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| 48 | at knot//net.minecraft.class_9088.<init>(class_9088.java:15)
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| 49 | at knot//net.minecraft.class_9139$12.decode(class_9139.java:43)
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| 50 | at knot//net.minecraft.class_9139$15.method_56441(class_9139.java:97)
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| 51 | at knot//net.minecraft.class_9139$15.decode(class_9139.java:93)
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| 52 | at knot//net.minecraft.class_9136.method_56425(class_9136.java:36)
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| 53 | ... 33 more
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| 54 |
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| 55 |
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| 56 | A detailed walkthrough of the error, its code path and all known details is as follows:
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| 57 | ---------------------------------------------------------------------------------------
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| 58 |
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| 59 | -- Head --
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| 60 | Thread: Netty NIO IO #2
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| 61 | Stacktrace:
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| 62 | at knot//net.minecraft.class_2547.method_55622(class_2547.java:33)
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| 63 |
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| 64 | -- Connection --
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| 65 | Details:
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| 66 | Protocol: configuration
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| 67 | Flow: CLIENTBOUND
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| 68 | Is Local: false
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| 69 | Server type: OTHER
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| 70 | Server brand: ~~NULL~~
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| 71 | Stacktrace:
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| 72 | at knot//net.minecraft.class_2547.method_55622(class_2547.java:33)
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| 73 | at knot//net.minecraft.class_2600.method_59803(class_2600.java:47)
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| 74 | at knot//net.minecraft.class_8673.method_60882(class_8673.java:146)
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| 75 | at knot//net.minecraft.class_8673.method_60881(class_8673.java:137)
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| 76 | at knot//net.minecraft.class_2535.exceptionCaught(class_2535.java:134)
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| 77 | at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:289)
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| 78 | at knot//io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:271)
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| 79 | at knot//io.netty.channel.ChannelInboundHandlerAdapter.exceptionCaught(ChannelInboundHandlerAdapter.java:143)
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| 80 | at knot//io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:289)
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| 81 | at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:359)
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| 82 | at knot//io.netty.handler.flow.FlowControlHandler.dequeue(FlowControlHandler.java:201)
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| 83 | at knot//io.netty.handler.flow.FlowControlHandler.channelRead(FlowControlHandler.java:163)
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| 84 | at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:354)
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| 85 | at knot//io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)
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| 86 | at knot//io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)
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| 87 | at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356)
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| 88 | at knot//io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)
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| 89 | at knot//io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)
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| 90 | at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356)
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| 91 | at knot//io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107)
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| 92 | at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:356)
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| 93 | at knot//io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:293)
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| 94 | at knot//io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:354)
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| 95 | at knot//io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1429)
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| 96 | at knot//io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:918)
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| 97 | at knot//io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:168)
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| 98 | at knot//io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.handle(AbstractNioChannel.java:445)
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| 99 | at knot//io.netty.channel.nio.NioIoHandler$DefaultNioRegistration.handle(NioIoHandler.java:388)
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| 100 | at knot//io.netty.channel.nio.NioIoHandler.processSelectedKey(NioIoHandler.java:596)
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| 101 | at knot//io.netty.channel.nio.NioIoHandler.processSelectedKeysOptimized(NioIoHandler.java:571)
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| 102 | at knot//io.netty.channel.nio.NioIoHandler.processSelectedKeys(NioIoHandler.java:512)
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| 103 | at knot//io.netty.channel.nio.NioIoHandler.run(NioIoHandler.java:484)
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| 104 | at knot//io.netty.channel.SingleThreadIoEventLoop.runIo(SingleThreadIoEventLoop.java:225)
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| 105 | at knot//io.netty.channel.SingleThreadIoEventLoop.run(SingleThreadIoEventLoop.java:196)
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| 106 | at knot//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:1193)
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| 107 | at knot//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
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| 108 | at java.base/java.lang.Thread.run(Unknown Source)
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| 109 |
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| 110 | -- System Details --
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| 111 | Details:
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| 112 | Minecraft Version: 1.21.11
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| 113 | Minecraft Version ID: 1.21.11
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| 114 | Operating System: Windows 11 (amd64) version 10.0
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| 115 | Java Version: 21.0.3, Eclipse Adoptium
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| 116 | Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Eclipse Adoptium
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| 117 | Memory: 341441000 bytes (325 MiB) / 738197504 bytes (704 MiB) up to 2147483648 bytes (2048 MiB)
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| 118 | CPUs: 8
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| 119 | Processor Vendor: GenuineIntel
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| 120 | Processor Name: 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz
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| 121 | Identifier: Intel64 Family 6 Model 140 Stepping 1
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| 122 | Microarchitecture: Tiger Lake
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| 123 | Frequency (GHz): 2.80
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| 124 | Number of physical packages: 1
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| 125 | Number of physical CPUs: 4
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| 126 | Number of logical CPUs: 8
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| 127 | Graphics card #0 name: Intel(R) Iris(R) Xe Graphics
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| 128 | Graphics card #0 vendor: Intel Corporation
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| 129 | Graphics card #0 VRAM (MiB): 128.00
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| 130 | Graphics card #0 deviceId: VideoController1
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| 131 | Graphics card #0 versionInfo: 31.0.101.5522
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| 132 | Memory slot #0 capacity (MiB): 8192.00
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| 133 | Memory slot #0 clockSpeed (GHz): 3.20
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| 134 | Memory slot #0 type: DDR4
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| 135 | Virtual memory max (MiB): 23259.16
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| 136 | Virtual memory used (MiB): 16146.99
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| 137 | Swap memory total (MiB): 15283.86
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| 138 | Swap memory used (MiB): 1750.58
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| 139 | Space in storage for jna.tmpdir (MiB): <path not set>
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| 140 | Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): <path not set>
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| 141 | Space in storage for io.netty.native.workdir (MiB): <path not set>
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| 142 | Space in storage for java.io.tmpdir (MiB): available: 28359.89, total: 200000.00
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| 143 | Space in storage for workdir (MiB): available: 28359.89, total: 200000.00
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| 144 | 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
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| 145 | Debug Flags: 0 total;
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| 146 | Fabric Mods:
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| 147 | fabric-api: Fabric API 0.141.1+1.21.11
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| 148 | fabric-api-base: Fabric API Base 1.0.5+4ebb5c083e
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| 149 | fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.113+1fb1cde93e
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| 150 | fabric-biome-api-v1: Fabric Biome API (v1) 17.1.1+4fc5413f3e
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| 151 | fabric-block-api-v1: Fabric Block API (v1) 1.1.10+4ebb5c083e
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| 152 | fabric-block-view-api-v2: Fabric BlockView API (v2) 1.0.39+4ebb5c083e
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| 153 | fabric-command-api-v2: Fabric Command API (v2) 2.4.7+6b42a6003e
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| 154 | fabric-content-registries-v0: Fabric Content Registries (v0) 10.2.14+4fc5413f3e
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| 155 | fabric-convention-tags-v1: Fabric Convention Tags 2.1.55+7f945d5b3e
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| 156 | fabric-convention-tags-v2: Fabric Convention Tags (v2) 2.17.3+8ef948ba3e
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| 157 | fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.3.23+4ebb5c083e
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| 158 | fabric-data-attachment-api-v1: Fabric Data Attachment API (v1) 1.8.46+b6ef3aec3e
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| 159 | fabric-data-generation-api-v1: Fabric Data Generation API (v1) 23.4.0+69974c4e3e
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| 160 | fabric-dimensions-v1: Fabric Dimensions API (v1) 4.0.28+4fc5413f3e
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| 161 | fabric-entity-events-v1: Fabric Entity Events (v1) 3.1.1+1d0ab4303e
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| 162 | fabric-events-interaction-v0: Fabric Events Interaction (v0) 4.1.0+3b89ecf63e
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| 163 | fabric-game-rule-api-v1: Fabric Game Rule API (v1) 2.0.3+4fc5413f3e
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| 164 | fabric-item-api-v1: Fabric Item API (v1) 11.5.20+d0c46b9e3e
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| 165 | fabric-item-group-api-v1: Fabric Item Group API (v1) 4.2.36+4fc5413f3e
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| 166 | fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.1.7+4fc5413f3e
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| 167 | fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.6.15+4ebb5c083e
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| 168 | fabric-loot-api-v2: Fabric Loot API (v2) 3.0.73+3f89f5a53e
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| 169 | fabric-loot-api-v3: Fabric Loot API (v3) 2.0.20+78c8b4663e
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| 170 | fabric-message-api-v1: Fabric Message API (v1) 6.1.12+4ebb5c083e
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| 171 | fabric-model-loading-api-v1: Fabric Model Loading API (v1) 6.0.14+4fc5413f3e
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| 172 | fabric-networking-api-v1: Fabric Networking API (v1) 5.1.5+ae1e07683e
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| 173 | fabric-object-builder-api-v1: Fabric Object Builder API (v1) 21.1.39+4fc5413f3e
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| 174 | fabric-particles-v1: Fabric Particles (v1) 4.2.11+4fc5413f3e
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| 175 | fabric-recipe-api-v1: Fabric Recipe API (v1) 8.2.3+4ebb5c083e
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| 176 | fabric-registry-sync-v0: Fabric Registry Sync (v0) 6.2.5+1718722b3e
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| 177 | fabric-renderer-api-v1: Fabric Renderer API (v1) 8.0.2+f4ffd2e53e
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| 178 | fabric-renderer-indigo: Fabric Renderer - Indigo 5.0.2+f4ffd2e53e
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| 179 | fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.1.43+4ebb5c083e
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| 180 | fabric-rendering-v1: Fabric Rendering (v1) 16.2.9+7edacff13e
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| 181 | fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 5.0.35+4fc5413f3e
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| 182 | fabric-resource-loader-v0: Fabric Resource Loader (v0) 3.3.4+4fc5413f3e
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| 183 | fabric-resource-loader-v1: Fabric Resource Loader (v1) 1.0.10+78c8b4663e
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| 184 | fabric-screen-api-v1: Fabric Screen API (v1) 3.1.7+4ebb5c083e
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| 185 | fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.3.161+4fc5413f3e
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| 186 | fabric-serialization-api-v1: Fabric Serialization API (v1) 1.0.5+4ebb5c083e
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| 187 | fabric-sound-api-v1: Fabric Sound API (v1) 1.0.51+4fc5413f3e
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| 188 | fabric-tag-api-v1: Fabric Tag API (v1) 1.2.20+4fc5413f3e
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| 189 | fabric-transfer-api-v1: Fabric Transfer API (v1) 6.0.24+4fc5413f3e
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| 190 | fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 7.1.0+014c8cec3e
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| 191 | fabricloader: Fabric Loader 0.18.4
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| 192 | mixinextras: MixinExtras 0.5.0
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| 193 | feather: Feather Client release/6e3b868b
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| 194 | java: OpenJDK 64-Bit Server VM 21
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| 195 | minecraft: Minecraft 1.21.11
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| 196 |
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