---- Minecraft Crash Report ---- // Shall we play a game? Time: 2026-02-05 22:44:43 Description: Unexpected error java.lang.NoClassDefFoundError: net/coderbot/iris/pipeline/ShadowRenderer at knot//me.cortex.voxy.client.core.util.IrisUtil.irisShadowActive0(IrisUtil.java:12) at knot//me.cortex.voxy.client.core.util.IrisUtil.irisShadowActive(IrisUtil.java:16) at knot//me.cortex.voxy.client.core.VoxelCore.renderOpaque(VoxelCore.java:167) at knot//me.jellysquid.mods.sodium.client.render.chunk.DefaultChunkRenderer.handler$dal000$voxy$injectRender(DefaultChunkRenderer.java:2035) at knot//me.jellysquid.mods.sodium.client.render.chunk.DefaultChunkRenderer.render(DefaultChunkRenderer.java:82) at knot//me.jellysquid.mods.sodium.client.render.chunk.RenderSectionManager.renderLayer(RenderSectionManager.java:217) at knot//me.jellysquid.mods.sodium.client.render.SodiumWorldRenderer.drawChunkLayer(SodiumWorldRenderer.java:227) at net.minecraft.client.render.WorldRenderer.renderLayer(WorldRenderer.java:13248) at net.minecraft.client.render.WorldRenderer.render(WorldRenderer.java:1026) at net.minecraft.client.render.GameRenderer.renderWorld(GameRenderer.java:1098) at net.minecraft.client.render.GameRenderer.render(GameRenderer.java:866) at net.minecraft.client.MinecraftClient.render(MinecraftClient.java:1327) at net.minecraft.client.MinecraftClient.run(MinecraftClient.java:888) at net.minecraft.client.main.Main.main(Main.java:265) at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:514) 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 java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at com.modrinth.theseus.MinecraftLaunch.relaunch(MinecraftLaunch.java:63) at com.modrinth.theseus.MinecraftLaunch.main(MinecraftLaunch.java:28) Caused by: java.lang.ClassNotFoundException: net.coderbot.iris.pipeline.ShadowRenderer 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) ... 23 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Render thread Stacktrace: at knot//me.cortex.voxy.client.core.util.IrisUtil.irisShadowActive0(IrisUtil.java:12) at knot//me.cortex.voxy.client.core.util.IrisUtil.irisShadowActive(IrisUtil.java:16) at knot//me.cortex.voxy.client.core.VoxelCore.renderOpaque(VoxelCore.java:167) at knot//me.jellysquid.mods.sodium.client.render.chunk.DefaultChunkRenderer.handler$dal000$voxy$injectRender(DefaultChunkRenderer.java:2035) at knot//me.jellysquid.mods.sodium.client.render.chunk.DefaultChunkRenderer.render(DefaultChunkRenderer.java:82) at knot//me.jellysquid.mods.sodium.client.render.chunk.RenderSectionManager.renderLayer(RenderSectionManager.java:217) at knot//me.jellysquid.mods.sodium.client.render.SodiumWorldRenderer.drawChunkLayer(SodiumWorldRenderer.java:227) at net.minecraft.client.render.WorldRenderer.renderLayer(WorldRenderer.java:13248) at net.minecraft.client.render.WorldRenderer.render(WorldRenderer.java:1026) at net.minecraft.client.render.GameRenderer.renderWorld(GameRenderer.java:1098) -- Uptime -- Details: JVM uptime: 79.212s Wall uptime: 69.442s High-res time: 66.444s Client ticks: 936 ticks / 46.800s Stacktrace: at net.minecraft.client.MinecraftClient.addDetailsToCrashReport(MinecraftClient.java:2564) at net.minecraft.client.MinecraftClient.printCrashReport(MinecraftClient.java:995) at net.minecraft.client.MinecraftClient.run(MinecraftClient.java:911) at net.minecraft.client.main.Main.main(Main.java:265) at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:514) 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 java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at com.modrinth.theseus.MinecraftLaunch.relaunch(MinecraftLaunch.java:63) at com.modrinth.theseus.MinecraftLaunch.main(MinecraftLaunch.java:28) -- Affected level -- Details: All players: 1 total; [class_746['{MINECRAFT_USERNAME}'/222, l='ClientLevel', x=-20.50, y=70.00, z=8.50]] Chunk stats: 16384, 441 Level dimension: minecraft:overworld Level spawn location: World: (-16,69,16), Section: (at 0,5,0 in -1,4,1; chunk contains blocks -16,-64,16 to -1,319,31), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,-64,0 to -1,319,511) Level time: 19 game time, 19 day time Server brand: fabric Server type: Integrated singleplayer server Tracked entity count: 150 -- Last reload -- Details: Reload number: 1 Reload reason: initial Finished: Yes Packs: vanilla, fabric, betterf3, bobby, caffeineconfig, chat_heads, cloth-config, conditional-mixin, continuity, dynamic_fps, entity_model_features, entity_texture_features, entityculling, essential, essential-container, essential-loader, fabric-api, fabric-api-base, fabric-api-lookup-api-v1, fabric-biome-api-v1, fabric-block-api-v1, fabric-block-view-api-v2, fabric-blockrenderlayer-v1, fabric-client-tags-api-v1, fabric-command-api-v1, fabric-command-api-v2, fabric-commands-v0, fabric-containers-v0, fabric-content-registries-v0, fabric-convention-tags-v1, fabric-crash-report-info-v1, fabric-data-attachment-api-v1, fabric-data-generation-api-v1, fabric-dimensions-v1, fabric-entity-events-v1, fabric-events-interaction-v0, fabric-events-lifecycle-v0, fabric-game-rule-api-v1, fabric-item-api-v1, fabric-item-group-api-v1, fabric-key-binding-api-v1, fabric-keybindings-v0, fabric-language-kotlin, fabric-lifecycle-events-v1, fabric-loot-api-v2, fabric-message-api-v1, fabric-mining-level-api-v1, fabric-model-loading-api-v1, fabric-models-v0, fabric-networking-api-v1, fabric-object-builder-api-v1, fabric-particles-v1, fabric-recipe-api-v1, fabric-registry-sync-v0, fabric-renderer-api-v1, fabric-renderer-indigo, fabric-renderer-registries-v1, fabric-rendering-data-attachment-v1, fabric-rendering-fluids-v1, fabric-rendering-v0, fabric-rendering-v1, fabric-resource-conditions-api-v1, fabric-resource-loader-v0, fabric-screen-api-v1, fabric-screen-handler-api-v1, fabric-sound-api-v1, fabric-transfer-api-v1, fabric-transitive-access-wideners-v1, fabricloader, fadeless, freecam, immediatelyfast, iris, jade, jei, justenoughbreeding, lithium, modmenu, moreculling, notenoughanimations, reeses-sodium-options, resourcify, shulkerboxtooltip, skinlayers3d, sodium, sodium-extra, trade_cycling, trender, voxy, xaerolib, xaerominimap, xaeroworldmap, file/Fullbright-UB-1.21-Beta.2.zip, file/Low Fire.zip, file/§b§lSpectator Xray §7v1.2.1.zip, continuity:default, continuity:glass_pane_culling_fix, Essential Assets, essential -- System Details -- Details: Minecraft Version: 1.20.4 Minecraft Version ID: 1.20.4 Operating System: Windows 11 (amd64) version 10.0 Java Version: 17.0.17, Azul Systems, Inc. Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Azul Systems, Inc. Memory: 1009718736 bytes (962 MiB) / 2063597568 bytes (1968 MiB) up to 8589934592 bytes (8192 MiB) CPUs: 16 Processor Vendor: GenuineIntel Processor Name: Intel(R) Core(TM) i7-10700KF CPU @ 3.80GHz Identifier: Intel64 Family 6 Model 165 Stepping 5 Microarchitecture: unknown Frequency (GHz): 3.79 Number of physical packages: 1 Number of physical CPUs: 8 Number of logical CPUs: 16 Graphics card #0 name: AMD Radeon RX 7600 XT Graphics card #0 vendor: Advanced Micro Devices, Inc. (0x1002) Graphics card #0 VRAM (MB): 4095.00 Graphics card #0 deviceId: 0x7480 Graphics card #0 versionInfo: DriverVersion=32.0.23017.1001 Memory slot #0 capacity (MB): 8192.00 Memory slot #0 clockSpeed (GHz): 3.20 Memory slot #0 type: DDR4 Memory slot #1 capacity (MB): 8192.00 Memory slot #1 clockSpeed (GHz): 3.20 Memory slot #1 type: DDR4 Memory slot #2 capacity (MB): 8192.00 Memory slot #2 clockSpeed (GHz): 3.20 Memory slot #2 type: DDR4 Memory slot #3 capacity (MB): 8192.00 Memory slot #3 clockSpeed (GHz): 3.20 Memory slot #3 type: DDR4 Virtual memory max (MB): 38278.66 Virtual memory used (MB): 22394.19 Swap memory total (MB): 5632.00 Swap memory used (MB): 76.18 JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx8192M Fabric Mods: betterf3: BetterF3 9.0.2 bobby: Bobby 5.1.0+mc1.20.4 com_typesafe_config: config 1.4.2 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 chat_heads: Chat Heads 0.14.2 cloth-config: Cloth Config v13 13.0.138 cloth-basic-math: cloth-basic-math 0.6.1 continuity: Continuity 3.0.0+1.20.2 dynamic_fps: Dynamic FPS 3.11.4 net_lostluma_battery: battery 2.0.0 elementa: Elementa 712 entity_model_features: Entity Model Features 3.0.11 entity_texture_features: Entity Texture Features 7.0.8 entityculling: EntityCulling 1.9.5 trender: TRender 1.0.10 essential: Essential **.**.**.** essential-container: essential-container 1.0.0 essential-loader: essential-loader 1.2.5 fabric-api: Fabric API 0.97.3+1.20.4 fabric-api-base: Fabric API Base 0.4.37+78d798af4f fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.50+82b1bb3e4f fabric-biome-api-v1: Fabric Biome API (v1) 13.0.17+78d798af4f fabric-block-api-v1: Fabric Block API (v1) 1.0.17+3e2216cb4f fabric-block-view-api-v2: Fabric BlockView API (v2) 1.0.5+78d798af4f fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.47+78d798af4f fabric-client-tags-api-v1: Fabric Client Tags 1.1.8+78d798af4f fabric-command-api-v1: Fabric Command API (v1) 1.2.42+f71b366f4f fabric-command-api-v2: Fabric Command API (v2) 2.2.21+78d798af4f fabric-commands-v0: Fabric Commands (v0) 0.2.59+df3654b34f fabric-containers-v0: Fabric Containers (v0) 0.1.88+df3654b34f fabric-content-registries-v0: Fabric Content Registries (v0) 5.0.16+78d798af4f fabric-convention-tags-v1: Fabric Convention Tags 1.5.11+78d798af4f fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.2.24+78d798af4f fabric-data-attachment-api-v1: Fabric Data Attachment API (v1) 1.1.5+b90db5744f fabric-data-generation-api-v1: Fabric Data Generation API (v1) 13.2.6+5c0133444f fabric-dimensions-v1: Fabric Dimensions API (v1) 2.1.63+6605d1a84f fabric-entity-events-v1: Fabric Entity Events (v1) 1.6.2+09fc25014f fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.7.2+389931eb4f fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.76+df3654b34f fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.47+78d798af4f fabric-item-api-v1: Fabric Item API (v1) 2.3.1+cadc140c4f fabric-item-group-api-v1: Fabric Item Group API (v1) 4.0.27+ee30b13a4f fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.42+78d798af4f fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.40+df3654b34f fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.3.1+a67ffb5d4f fabric-loot-api-v2: Fabric Loot API (v2) 2.1.10+78d798af4f fabric-message-api-v1: Fabric Message API (v1) 6.0.6+78d798af4f fabric-mining-level-api-v1: Fabric Mining Level API (v1) 2.1.66+78d798af4f fabric-model-loading-api-v1: Fabric Model Loading API (v1) 1.0.9+78d798af4f fabric-models-v0: Fabric Models (v0) 0.4.8+9386d8a74f fabric-networking-api-v1: Fabric Networking API (v1) 3.1.9+6abb6a4b4f fabric-object-builder-api-v1: Fabric Object Builder API (v1) 13.1.0+dba1195c4f fabric-particles-v1: Fabric Particles (v1) 1.1.8+78d798af4f fabric-recipe-api-v1: Fabric Recipe API (v1) 2.0.22+78d798af4f fabric-registry-sync-v0: Fabric Registry Sync (v0) 4.0.21+ee30b13a4f fabric-renderer-api-v1: Fabric Renderer API (v1) 3.2.5+78d798af4f fabric-renderer-indigo: Fabric Renderer - Indigo 1.5.6+d331d3144f fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 3.2.54+df3654b34f fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.3.43+73761d2e4f fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.1.2+e761c6694f fabric-rendering-v0: Fabric Rendering (v0) 1.1.57+df3654b34f fabric-rendering-v1: Fabric Rendering (v1) 3.2.1+6fd945a04f fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 2.3.15+78d798af4f fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.11.21+ee30b13a4f fabric-screen-api-v1: Fabric Screen API (v1) 2.0.18+78d798af4f fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.3.57+78d798af4f fabric-sound-api-v1: Fabric Sound API (v1) 1.0.18+78d798af4f fabric-transfer-api-v1: Fabric Transfer API (v1) 4.0.12+90f2d7b14f fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 5.0.15+78d798af4f fabric-language-kotlin: Fabric Language Kotlin 1.13.8+kotlin.2.3.0 org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 2.3.0 org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 2.3.0 org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 2.3.0 org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 2.3.0 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 0.8.2 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 1.9.0 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: Fabric Loader 0.18.4 mixinextras: MixinExtras 0.5.0 fadeless: Fadeless 1.0.1 ferritecore: FerriteCore 6.0.3 freecam: Freecam 1.2.3 immediatelyfast: ImmediatelyFast 1.5.4+1.20.4 net_lenni0451_reflect: Reflect 1.6.1+curseforge iris: Iris 1.7.2+mc1.20.4 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 jade: Jade 13.3.1 java: OpenJDK 64-Bit Server VM 17 jei: Just Enough Items **.**.**.** justenoughbreeding: Just Enough Breeding 1.6.2 lithium: Lithium 0.12.1 minecraft: Minecraft 1.20.4 modmenu: Mod Menu 9.2.0 moreculling: More Culling 1.20.4-0.24.0 conditional-mixin: conditional mixin 0.3.2 mixinsquared: MixinSquared 0.1.1 mousetweaks: Mouse Tweaks 2.26 notenoughanimations: NotEnoughAnimations 1.11.2 transition: TRansition 1.0.12 org_jetbrains_annotations: annotations 13.0 placeholder-api: Placeholder API 2.4.0-pre.3+1.20.4 reeses-sodium-options: Reese's Sodium Options 1.7.2+mc1.20.4-build.102 resourcify: Resourcify 1.6.1 shulkerboxtooltip: Shulker Box Tooltip 4.1.0+1.20.4 skinlayers3d: 3d-Skin-Layers 1.10.1 sodium: Sodium 0.5.8+mc1.20.4 sodium-extra: Sodium Extra 0.5.4+mc1.20.4-build.116 caffeineconfig: CaffeineConfig 1.3.0+1.17 crowdin-translate: CrowdinTranslate 1.4+1.19.3 trade_cycling: Trade Cycling 1.20.4-1.0.11 universalcraft: UniversalCraft 446 vigilance: Vigilance 306 voxy: Voxy 0.1.5-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_rocksdb_rocksdbjni: rocksdbjni 8.10.0 redis_clients_jedis: jedis 5.1.0 xaerominimap: Xaero's Minimap 25.3.7 xaerolib: XaeroLib 1.1.0 xaeroworldmap: Xaero's World Map 1.40.8 Loaded Shaderpack: (off) Launched Version: 1.20.4 Launcher name: theseus Backend library: LWJGL version 3.3.2-snapshot Backend API: AMD Radeon RX 7600 XT GL version 3.2.0 Core Profile Context 26.1.1.251223, ATI Technologies Inc. Window size: 2560x1417 GL Caps: Using framebuffer using OpenGL 3.2 GL debug messages: Using VBOs: Yes Is Modded: Definitely; Client brand changed to 'fabric'; Server brand changed to 'fabric' Universe: 400921fb54442d18 Type: Integrated Server (map_client.txt) Graphics mode: fast Render Distance: 32/32 chunks Resource Packs: vanilla, fabric, file/Fullbright-UB-1.21-Beta.2.zip (incompatible), file/Low Fire.zip, file/§b§lSpectator Xray §7v1.2.1.zip, continuity:default, continuity:glass_pane_culling_fix Current Language: en_us Locale: en_US CPU: 16x Intel(R) Core(TM) i7-10700KF CPU @ 3.80GHz Server Running: true Player Count: 1 / 8; [class_3222['{MINECRAFT_USERNAME}'/222, l='ServerLevel[New World]', x=-20.50, y=70.00, z=8.50]] Data Packs: vanilla, fabric, fabric-convention-tags-v1, moreculling, file/Veinminer-v1.2.1.zip (incompatible), file/treecapitator-v3.1.4.zip (incompatible), bundle Enabled Feature Flags: minecraft:bundle, minecraft:vanilla World Generation: Experimental