---- Minecraft Crash Report ---- // Why did you do that? Time: 2025-09-24 08:12:15 Description: Receiving attachments net.fabricmc.fabric.impl.attachment.sync.AttachmentSyncException: Received attachment change for unknown target! Attachment identifier: iceandfire:chain_data World: minecraft:overworld at knot//net.fabricmc.fabric.impl.attachment.sync.AttachmentChange.handler$zdd000$iceandfire$onAttachmentSyncFailure(AttachmentChange.java:521) at knot//net.fabricmc.fabric.impl.attachment.sync.AttachmentChange.tryApply(AttachmentChange.java:163) at knot//net.fabricmc.fabric.impl.attachment.client.AttachmentSyncClient.lambda$onInitializeClient$1(AttachmentSyncClient.java:44) at knot//net.fabricmc.fabric.impl.networking.client.ClientPlayNetworkAddon.lambda$receive$0(ClientPlayNetworkAddon.java:73) at knot//net.minecraft.util.thread.ThreadExecutor.executeTask(ThreadExecutor.java:162) at knot//net.minecraft.util.thread.ReentrantThreadExecutor.executeTask(ReentrantThreadExecutor.java:23) at knot//net.minecraft.util.thread.ThreadExecutor.runTask(ThreadExecutor.java:136) at knot//net.minecraft.util.thread.ThreadExecutor.runTasks(ThreadExecutor.java:121) at knot//net.minecraft.client.MinecraftClient.render(MinecraftClient.java:1240) at knot//net.minecraft.client.MinecraftClient.run(MinecraftClient.java:882) at net.minecraft.client.main.Main.main(Main.java:256) at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:506) at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:72) at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23) at net.fabricmc.devlaunchinjector.Main.main(Main.java:86) at dev.architectury.transformer.TransformerRuntime.main(TransformerRuntime.java:220) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Render thread Stacktrace: at knot//net.fabricmc.fabric.impl.attachment.sync.AttachmentChange.handler$zdd000$iceandfire$onAttachmentSyncFailure(AttachmentChange.java:521) Mixins in Stacktrace: net.fabricmc.fabric.impl.attachment.sync.AttachmentChange: com.iafenvoy.iceandfire.fabric.mixin.AttachmentChangeMixin (iceandfire-fabric.mixins.json) -- Synced data -- Details: value: com.iafenvoy.iceandfire.data.component.ChainData@eed8313 Stacktrace: at knot//net.fabricmc.fabric.impl.attachment.sync.AttachmentChange.handler$zdd000$iceandfire$onAttachmentSyncFailure(AttachmentChange.java:521) at knot//net.fabricmc.fabric.impl.attachment.sync.AttachmentChange.tryApply(AttachmentChange.java:163) at knot//net.fabricmc.fabric.impl.attachment.client.AttachmentSyncClient.lambda$onInitializeClient$1(AttachmentSyncClient.java:44) at knot//net.fabricmc.fabric.impl.networking.client.ClientPlayNetworkAddon.lambda$receive$0(ClientPlayNetworkAddon.java:73) at knot//net.minecraft.util.thread.ThreadExecutor.executeTask(ThreadExecutor.java:162) at knot//net.minecraft.util.thread.ReentrantThreadExecutor.executeTask(ReentrantThreadExecutor.java:23) at knot//net.minecraft.util.thread.ThreadExecutor.runTask(ThreadExecutor.java:136) at knot//net.minecraft.util.thread.ThreadExecutor.runTasks(ThreadExecutor.java:121) at knot//net.minecraft.client.MinecraftClient.render(MinecraftClient.java:1240) at knot//net.minecraft.client.MinecraftClient.run(MinecraftClient.java:882) at net.minecraft.client.main.Main.main(Main.java:256) at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:506) at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:72) at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23) at net.fabricmc.devlaunchinjector.Main.main(Main.java:86) at dev.architectury.transformer.TransformerRuntime.main(TransformerRuntime.java:220) Mixins in Stacktrace: net.fabricmc.fabric.impl.attachment.sync.AttachmentChange: com.iafenvoy.iceandfire.fabric.mixin.AttachmentChangeMixin (iceandfire-fabric.mixins.json) net.minecraft.client.MinecraftClient: net.fabricmc.fabric.mixin.screen.MinecraftClientMixin (fabric-screen-api-v1.mixins.json) net.fabricmc.fabric.mixin.registry.sync.client.MinecraftClientMixin (fabric-registry-sync-v0.client.mixins.json) net.fabricmc.fabric.mixin.event.lifecycle.client.MinecraftClientMixin (fabric-lifecycle-events-v1.client.mixins.json) carpet.mixins.MinecraftMixin (carpet.mixins.json) net.fabricmc.fabric.mixin.datagen.client.MinecraftClientMixin (fabric-data-generation-api-v1.client.mixins.json) net.fabricmc.fabric.mixin.networking.client.accessor.MinecraftClientAccessor (fabric-networking-api-v1.client.mixins.json) dev.emi.emi.mixin.MinecraftClientMixin (emi.mixins.json) carpet.mixins.Minecraft_tickMixin (carpet.mixins.json) dev.architectury.mixin.fabric.client.MixinMinecraft (architectury.mixins.json) fuzs.puzzleslib.fabric.mixin.client.MinecraftFabricMixin (puzzleslib.fabric.mixins.json) net.fabricmc.fabric.mixin.event.interaction.client.MinecraftClientMixin (fabric-events-interaction-v0.client.mixins.json) -- System Details -- Details: Minecraft Version: 1.21.1 Minecraft Version ID: 1.21.1 Operating System: Windows 11 (amd64) version 10.0 Java Version: 21.0.7, Microsoft Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Microsoft Memory: 415236096 bytes (396 MiB) / 2327838720 bytes (2220 MiB) up to 8459911168 bytes (8068 MiB) CPUs: 16 Processor Vendor: GenuineIntel Processor Name: Intel(R) Core(TM) Ultra 9 285H Identifier: Intel64 Family 6 Model 197 Stepping 2 Microarchitecture: unknown Frequency (GHz): 3.69 Number of physical packages: 1 Number of physical CPUs: 16 Number of logical CPUs: 16 Graphics card #0 name: Intel(R) Arc(TM) 140T GPU (16GB) Graphics card #0 vendor: Intel Corporation Graphics card #0 VRAM (MiB): 2048.00 Graphics card #0 deviceId: VideoController1 Graphics card #0 versionInfo: 32.0.101.6790 Memory slot #0 capacity (MiB): 16384.00 Memory slot #0 clockSpeed (GHz): 5.60 Memory slot #0 type: Unknown Memory slot #1 capacity (MiB): 16384.00 Memory slot #1 clockSpeed (GHz): 5.60 Memory slot #1 type: Unknown Virtual memory max (MiB): 37892.81 Virtual memory used (MiB): 22217.88 Swap memory total (MiB): 5632.00 Swap memory used (MiB): 252.71 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: 101135.72, total: 307499.53 Space in storage for workdir (MiB): available: 379177.03, total: 410221.44 JVM Flags: 0 total; Fabric Mods: architectury: Architectury 13.0.8 carpet: Carpet Mod 1.4.147+v240613 emi: EMI 1.1.19+1.21.1+fabric fabric-api: Fabric API 0.116.5+1.21.1 fabric-api-base: Fabric API Base 0.4.42+6573ed8c19 fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.71+b559734419 fabric-biome-api-v1: Fabric Biome API (v1) 13.0.31+d527f9fd19 fabric-block-api-v1: Fabric Block API (v1) 1.1.0+0bc3503219 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) 8.0.19+b559734419 fabric-convention-tags-v1: Fabric Convention Tags 2.1.5+7f945d5b19 fabric-convention-tags-v2: Fabric Convention Tags (v2) 2.11.1+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) 1.4.5+6116a37819 fabric-data-generation-api-v1: Fabric Data Generation API (v1) 20.2.33+37516cd619 fabric-dimensions-v1: Fabric Dimensions API (v1) 4.0.0+6fc22b9919 fabric-entity-events-v1: Fabric Entity Events (v1) 1.8.0+2b27e0a419 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-gametest-api-v1: Fabric Game Test API (v1) 2.0.5+6fc22b9919 fabric-item-api-v1: Fabric Item API (v1) 11.2.0+3b3cb2e819 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) 2.6.0+0865547519 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) 6.0.14+8aaf3aca19 fabric-model-loading-api-v1: Fabric Model Loading API (v1) 2.1.0+b4d813fc19 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) 5.3.1+e3eddc2119 fabric-renderer-api-v1: Fabric Renderer API (v1) 3.4.1+b4d813fc19 fabric-renderer-indigo: Fabric Renderer - Indigo 1.7.1+c705a49c19 fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 3.2.69+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) 1.1.72+df3654b319 fabric-rendering-v1: Fabric Rendering (v1) 5.1.0+ab4c25a019 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) 1.3.90+b559734419 fabric-sound-api-v1: Fabric Sound API (v1) 1.0.23+6573ed8c19 fabric-transfer-api-v1: Fabric Transfer API (v1) 5.4.3+c24bd99419 fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 6.2.0+45b9699719 fabricloader: Fabric Loader 0.17.2 forgeconfigapiport: Forge Config API Port 21.1.4 com_electronwill_night-config_core: core 3.8.0 com_electronwill_night-config_toml: toml 3.8.0 generated_8f693ae: Generated Mod (Please Ignore) 1.0.0 iceandfire: Ice And Fire Community Edition 2.0-beta.6 integration: Integration 0.2 jade: Jade 15.9.2+fabric java: OpenJDK 64-Bit Server VM 21 jupiter: Jupiter 2.0 minecraft: Minecraft 1.21.1 mixinextras: MixinExtras 0.4.1 mixintrace: MixinTrace 1.1.1+1.17 modmenu: Mod Menu 11.0.3 mutantmonsters: Mutant Monsters 21.1.0 puzzleslib: Puzzles Lib 21.1.38 uranus: Uranus 2.4