---- Minecraft Crash Report ---- // I let you down. Sorry :( Time: 2026-02-24 19:49:24 Description: Exception in server tick loop java.lang.NoClassDefFoundError: net/minecraft/class_11456 at knot//me.lucko.fabric.api.permissions.v0.Permissions.lambda$check$0(Permissions.java:84) at knot//net.fabricmc.fabric.api.util.TriState.orElseGet(TriState.java:111) at knot//me.lucko.fabric.api.permissions.v0.Permissions.check(Permissions.java:84) at knot//org.popcraft.chunky.platform.FabricSender.hasPermission(FabricSender.java:63) at knot//org.popcraft.chunky.ChunkyFabric.lambda$onInitialize$3(ChunkyFabric.java:72) at knot//net.minecraft.class_2170$1.method_71674(class_2170.java:201) at knot//net.minecraft.class_2641.method_11401(class_2641.java:215) at knot//net.minecraft.class_2641.method_30945(class_2641.java:104) at knot//net.minecraft.class_2641.(class_2641.java:50) at knot//net.minecraft.class_2170.method_9241(class_2170.java:444) at knot//net.minecraft.class_3324.method_14596(class_3324.java:592) at knot//net.minecraft.class_3324.method_14576(class_3324.java:489) at knot//net.minecraft.class_3324.method_14570(class_3324.java:192) at knot//net.minecraft.class_11549$class_11551.method_72305(class_11549.java:198) at knot//net.minecraft.class_11549.method_72296(class_11549.java:91) at knot//net.minecraft.class_8610.method_52408(class_8610.java:178) at knot//net.minecraft.class_8736.method_53043(class_8736.java:22) at knot//net.minecraft.class_8736.method_65081(class_8736.java:8) at knot//net.minecraft.class_11980$class_11981.method_74450(class_11980.java:55) at knot//net.minecraft.class_11980.method_74449(class_11980.java:38) at net.minecraft.server.MinecraftServer.method_76677(MinecraftServer.java:1047) at knot//net.minecraft.class_1132.method_76677(class_1132.java:100) at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:771) at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:301) at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.ClassNotFoundException: net.minecraft.class_11456 at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(Unknown Source) at java.base/java.lang.ClassLoader.loadClass(Unknown Source) at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:239) at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) at java.base/java.lang.ClassLoader.loadClass(Unknown Source) ... 25 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Server thread Stacktrace: at knot//me.lucko.fabric.api.permissions.v0.Permissions.lambda$check$0(Permissions.java:84) at knot//net.fabricmc.fabric.api.util.TriState.orElseGet(TriState.java:111) at knot//me.lucko.fabric.api.permissions.v0.Permissions.check(Permissions.java:84) at knot//org.popcraft.chunky.platform.FabricSender.hasPermission(FabricSender.java:63) at knot//org.popcraft.chunky.ChunkyFabric.lambda$onInitialize$3(ChunkyFabric.java:72) at knot//net.minecraft.class_2170$1.method_71674(class_2170.java:201) at knot//net.minecraft.class_2641.method_11401(class_2641.java:215) at knot//net.minecraft.class_2641.method_30945(class_2641.java:104) at knot//net.minecraft.class_2641.(class_2641.java:50) at knot//net.minecraft.class_2170.method_9241(class_2170.java:444) at knot//net.minecraft.class_3324.method_14596(class_3324.java:592) at knot//net.minecraft.class_3324.method_14576(class_3324.java:489) at knot//net.minecraft.class_3324.method_14570(class_3324.java:192) at knot//net.minecraft.class_11549$class_11551.method_72305(class_11549.java:198) at knot//net.minecraft.class_11549.method_72296(class_11549.java:91) -- Dynamic Lighting -- Details: Description: This section contains information related to dynamic lighting, this may not be related to your crash. Mode: fancy Dynamic Light Sources: 0 Spatial Hash Occupancy: 0 / 1024 Stacktrace: at knot//dev.lambdaurora.lambdynlights.LambDynLights.lambda$onInitializeClient$0(LambDynLights.java:132) at knot//dev.yumi.mc.core.api.CrashReportEvents.lambda$static$0(CrashReportEvents.java:43) at knot//net.minecraft.class_128.handler$fke000$yumi_mc_core$yumi$onCrashReportCreate(class_128.java:1027) at knot//net.minecraft.class_128.method_555(class_128.java) at knot//net.minecraft.class_128.method_60921(class_128.java:132) at knot//net.minecraft.class_128.method_569(class_128.java:156) at knot//net.minecraft.class_128.method_60919(class_128.java:168) at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:802) at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:301) 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: 21.0.9, Azul Systems, Inc. Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Azul Systems, Inc. Memory: 374986936 bytes (357 MiB) / 1692401664 bytes (1614 MiB) up to 4294967296 bytes (4096 MiB) CPUs: 6 Processor Vendor: GenuineIntel Processor Name: Intel(R) Core(TM) i5-9400F CPU @ 2.90GHz Identifier: Intel64 Family 6 Model 158 Stepping 10 Microarchitecture: Coffee Lake Frequency (GHz): 2.90 Number of physical packages: 1 Number of physical CPUs: 6 Number of logical CPUs: 6 Graphics card #0 name: NVIDIA GeForce GTX 1660 SUPER Graphics card #0 vendor: NVIDIA Graphics card #0 VRAM (MiB): 6144.00 Graphics card #0 deviceId: VideoController1 Graphics card #0 versionInfo: 32.0.15.8142 Memory slot #0 capacity (MiB): 8192.00 Memory slot #0 clockSpeed (GHz): 2.67 Memory slot #0 type: DDR4 Memory slot #1 capacity (MiB): 8192.00 Memory slot #1 clockSpeed (GHz): 2.67 Memory slot #1 type: DDR4 Virtual memory max (MiB): 51818.25 Virtual memory used (MiB): 39891.45 Swap memory total (MiB): 35508.00 Swap memory used (MiB): 4779.96 Space in storage for jna.tmpdir (MiB): available: 36656.87, total: 476001.34 Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 36656.87, total: 476001.34 Space in storage for io.netty.native.workdir (MiB): available: 36656.87, total: 476001.34 Space in storage for java.io.tmpdir (MiB): available: 36656.87, total: 476001.34 Space in storage for workdir (MiB): available: 36656.87, total: 476001.34 JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4096M Debug Flags: 0 total; Fabric Mods: accessible-step: Accessible Step 2.2.2+1.21.11 blue_endless_jankson: jankson 1.2.3 ambientsounds: AmbientSounds 6.3.5 appleskin: AppleSkin 3.0.8+mc1.21.11 armorstatues: Armor Statues 21.11.1 statuemenus: Statue Menus 21.11.0 autofish: XPlus Autofish 1.4.1-fabric-mc1.21.9 axiom: Axiom 5.2.1 com_moulberry_axiomclientapi: axiomclientapi 1.0.51 lattice: Lattice 1.3.0 badoptimizations: BadOptimizations 2.4.1 betteradvancements: Better Advancements **.**.**.** betterclouds: Better Clouds 1.11.3-alpha+1.21.11-fabric.rev.0daa830 gs_mclo_api: api 5.0.0 betterf3: BetterF3 17.0.0 bettermounthud: Better Mount HUD 1.2.6 betterpingdisplay: Better Ping Display 1.2.0 bigsignwriter: Big Sign Writer 1.6.3+1.21.11-fabric boatiview: Boat Item View 0.0.8 bobby: Bobby 5.2.11+mc1.21.11 com_typesafe_config: config 1.4.2 fabric-api-base: Fabric API Base 1.0.5+4ebb5c0853 io_leangen_geantyref_geantyref: geantyref 1.3.13 org_spongepowered_configurate-core: configurate-core 4.1.2 org_spongepowered_configurate-hocon: configurate-hocon 4.1.2 bridgingmod: Bridging Mod 2.6.4+1.21.11 camerautils: Camera Utils 1.21.11-1.1.2 fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.1.7+4fc5413f53 fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.6.15+4ebb5c0853 fabric-resource-loader-v0: Fabric Resource Loader (v0) 3.3.4+4fc5413f53 fabric-resource-loader-v1: Fabric Resource Loader (v1) 1.0.10+78c8b46653 chat_heads: Chat Heads 1.2.1 chunksfadein: Chunks Fade In 3.0.20-1.21.11 com_moandjiezana_toml_toml4j: toml4j 0.7.2 chunky: Chunky 1.4.55 clickthrough: ClickThrough Plus 3.5.4+1.21.11 folk_sisby_kaleido-config: kaleido-config 0.3.3+1.3.2 cloth-config: Cloth Config v20 21.11.153 cloth-basic-math: cloth-basic-math 0.6.1 clumps: Clumps **.**.**.** collective: Collective 8.13 continuity: Continuity 3.0.1-beta.1+1.21.11 controlling: Controlling 29.0.1 creativecore: CreativeCore 2.14.11 net_neoforged_bus: bus 7.2.0 cursors_extended: Cursors Extended 4.1.5+1.21.11 dark-loading-screen: Dark Loading Screen 1.6.17 debugify: Debugify 1.21.11+1.0 durabilitytooltip: Durability Tooltip 1.1.6 dynamic_fps: Dynamic FPS 3.11.4 net_lostluma_battery: battery 2.0.0 elementa: Elementa 712 elytra_physics: Elytra physics 2.5_mc1.21.11 essential: Essential **.**.**.** essential-container: essential-container 1.0.0 essential-loader: essential-loader 1.3.2 fabric-api: Fabric API 0.141.3+1.21.11 fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.114+20dc27073e 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) 1.8.47+eed0806f3e 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-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) 6.0.15+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) 8.0.3+f4ffd2e53e fabric-renderer-indigo: Fabric Renderer - Indigo 5.0.3+f4ffd2e53e fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.1.43+4ebb5c083e fabric-rendering-v1: Fabric Rendering (v1) 16.2.10+0290ad933e fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 5.0.35+4fc5413f3e 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) 6.0.25+4fc5413f3e fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 7.1.0+014c8cec3e fabric-language-kotlin: Fabric Language Kotlin 1.13.9+kotlin.2.3.10 org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 2.3.10 org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 2.3.10 org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 2.3.10 org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 2.3.10 org_jetbrains_kotlinx_atomicfu-jvm: atomicfu-jvm 0.31.0 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 0.8.2 org_jetbrains_kotlinx_kotlinx-io-core-jvm: kotlinx-io-core-jvm 0.8.2 org_jetbrains_kotlinx_kotlinx-serialization-cbor-jvm: kotlinx-serialization-cbor-jvm 1.10.0 org_jetbrains_kotlinx_kotlinx-serialization-core-jvm: kotlinx-serialization-core-jvm 1.10.0 org_jetbrains_kotlinx_kotlinx-serialization-json-jvm: kotlinx-serialization-json-jvm 1.10.0 fabricloader: Fabric Loader 0.18.4 mixinextras: MixinExtras 0.5.0 fallingleaves: Falling Leaves 2.0.3 forgeconfigapiport: Forge Config API Port 21.11.1 com_electronwill_night-config_core: core 3.8.3 com_electronwill_night-config_toml: toml 3.8.3 freecam: Freecam 1.3.6+mc1.21.11 fullbrightnesstoggle: Full Brightness Toggle 4.5 fusion: Fusion 1.2.12+a inventoryhud: Inventory HUD + 3.4.29 inventoryprofilesnext: Inventory Profiles Next 2.2.3 invmove: InvMove 0.9.3 jade: Jade 21.1.1+fabric java: OpenJDK 64-Bit Server VM 21 jei: Just Enough Items **.**.**.** journeymap: Journeymap 1.21.11-6.0.0-beta.57 ar_com_hjg_pngj: pngj 2.1.0 commonnetworking: Common Network 1.0.22-1.21.11 journeymap-api-fabric: JourneyMap API 2.0.0-1.21.11-SNAPSHOT krypton: Krypton 0.2.10 com_velocitypowered_velocity-native: velocity-native 3.4.0-SNAPSHOT lambdynlights: LambDynamicLights 4.9.1+1.21.11 lambdynlights_runtime: LambDynamicLights (Runtime) 4.9.1+1.21.11 lambdynlights_api: LambDynamicLights (API) 4.9.1+1.21.11 yumi_commons_collections: Yumi Commons: Collections 1.0.0 yumi_commons_core: Yumi Commons: Core 1.0.0 yumi_commons_event: Yumi Commons: Event 1.0.0 pride: Pride Lib 1.5.1+1.21.11 spruceui: SpruceUI 9.1.0+1.21.11 yumi_mc_core: Yumi Minecraft Libraries: Foundation 1.0.0-beta.1+1.21.11 libipn: libIPN 6.6.2 light-overlay: Light Overlay 2.4.1-1.21.11 litematica: Litematica 0.26.0 conditional-mixin: conditional mixin 0.6.4 litematica_printer: Litematica Printer 3.2.1B lithium: Lithium 0.21.3+mc1.21.11 make_bubbles_pop: Make Bubbles Pop 0.3.2-fabric malilib: MaLiLib 0.27.6 minecraft: Minecraft 1.21.11 modmenu: Mod Menu 17.0.0-beta.2 morechathistory: More Chat History 1.3.1 mousetweaks: Mouse Tweaks 2.30 mru: M.R.U 1.0.26+edge+1.21.10 my-totem-doll: My Totem Doll 2.3.3+1.21.11 nofog: NoFog 1 notenoughanimations: NotEnoughAnimations 1.11.3 trender: TRender 1.0.10 ok_zoomer: Ok Zoomer 16.0.0-beta.2 wrench_wrapper: Wrench Wrapper 0.8.1 wrench_wrapper_backend: Wrench Wrapper (Backend) 0.8.1 org_jetbrains_annotations: annotations 13.0 overlaylib: OverlayLib 0.5.0+1.21.11 particlerain: Particle Rain 4.0.0-beta.5 pickupnotifier: Pick Up Notifier 21.11.0 placeholder-api: Placeholder API 2.8.2+1.21.10 plasmovoice: Plasmo Voice 2.1.8 fabric-permissions-api-v0: fabric-permissions-api 0.4.1 presencefootsteps: Presence Footsteps 1.12.3+1.21.11 kirin: Kirin UI 1.21.4+1.21.11 preventer: Preventer 2.0.0 puzzleslib: Puzzles Lib 21.11.11 raised: Raised 5.1.2 reeses-sodium-options: Reese's Sodium Options 2.0.3+mc1.21.11 searchables: Searchables 1.0.2 shulkerboxtooltip: Shulker Box Tooltip 5.2.15+1.21.11 signeditlite: Sign Edit Lite 1.0.9+fabric+mc1.21.11 skinlayers3d: 3d-Skin-Layers 1.10.2 transition: TRansition 1.0.13 smoothskies: Smooth Skies 2.10.13 com_moulberry_mixinconstraints: mixinconstraints 1.1.0 mixinsquared: MixinSquared 0.3.3 sodium: Sodium 0.8.4+mc1.21.11 sodium-extra: Sodium Extra 0.8.3+mc1.21.11 sound_physics_remastered: Sound Physics Remastered 1.21.11-1.5.1 sounds: Sounds 2.4.23+edge sspb: Sodium Shadowy Path Blocks 6.0.0 stack-to-nearby-chests: Stack to Nearby Chests 0.5.15 libgui: LibGui 15.1.0+1.21.11 jankson: Jankson 11.0.0+j1.2.3 libninepatch: LibNinePatch 1.2.0 stackrefill: Stack Refill 5.0 status-effect-bars: Status Effect Bars 1.0.10 supermartijn642configlib: SuperMartijn642's Config Library 1.1.8 tightfire: Tightfire 1.0-SNAPSHOT tweakeroo: Tweakeroo 0.27.5 universalcraft: UniversalCraft 446 vigilance: Vigilance 306 visuality: Visuality 0.7.12+1.21.11 voxy: Voxy 0.2.10-alpha org_apache_commons_commons-pool2: commons-pool2 2.12.0 org_lwjgl_lwjgl-lmdb: lwjgl-lmdb 3.3.3 org_lwjgl_lwjgl-lmdb_natives-linux: lwjgl-lmdb 3.3.3 org_lwjgl_lwjgl-lmdb_natives-windows: lwjgl-lmdb 3.3.3 org_lwjgl_lwjgl-zstd: lwjgl-zstd 3.3.3 org_lwjgl_lwjgl-zstd_natives-linux: lwjgl-zstd 3.3.3 org_lwjgl_lwjgl-zstd_natives-windows: lwjgl-zstd 3.3.3 org_lz4_lz4-java: lz4-java 1.8.0 org_rocksdb_rocksdbjni: rocksdbjni 10.2.1 org_tukaani_xz: xz 1.10 redis_clients_jedis: jedis 5.1.0 waterdripsound: Drip Sounds 0.5.2 xray: Advanced XRay (Fabric) 21.11.0 yet_another_config_lib_v3: YetAnotherConfigLib 3.8.2+1.21.11-fabric com_twelvemonkeys_common_common-image: common-image 3.12.0 com_twelvemonkeys_common_common-io: common-io 3.12.0 com_twelvemonkeys_common_common-lang: common-lang 3.12.0 com_twelvemonkeys_imageio_imageio-core: imageio-core 3.12.0 com_twelvemonkeys_imageio_imageio-metadata: imageio-metadata 3.12.0 com_twelvemonkeys_imageio_imageio-webp: imageio-webp 3.12.0 org_quiltmc_parsers_gson: gson 0.2.1 org_quiltmc_parsers_json: json 0.2.1 zoomify: Zoomify 2.15.2+1.21.11 com_akuleshov7_ktoml-core-jvm: ktoml-core-jvm 0.7.1 Yumi MC Core: 1.0.0-beta.1+1.21.11 Server Running: true Player Count: 0 / 8; [] Active Data Packs: vanilla, axiom, collective, fabric-convention-tags-v2, ok_zoomer Available Data Packs: axiom, collective, fabric-convention-tags-v2, minecart_improvements, ok_zoomer, redstone_experiments, trade_rebalance, vanilla Enabled Feature Flags: minecraft:vanilla World Generation: Stable World Seed: -7035415898996924980 Suppressed Exceptions: ~~NONE~~ Type: Integrated Server (map_client.txt) Is Modded: Definitely; Client brand changed to 'fabric'; Server brand changed to 'fabric' Launched Version: 1.21.11