---- Minecraft Crash Report ---- // Why did you do that? Time: 2026-01-27 10:34:01 Description: Exception in server tick loop java.lang.IllegalStateException: Biome source config is not set at knot//org.betterx.betterend.world.generator.TerrainGenerator.initNoise(TerrainGenerator.java:65) at knot//org.betterx.betterend.world.generator.TerrainGenerator.onServerLevelInit(TerrainGenerator.java:253) at knot//net.minecraft.class_3218.handler$znm000$betterend$be_onServerWorldInit(class_3218.java:3331) at knot//net.minecraft.class_3218.(class_3218.java:274) at net.minecraft.server.MinecraftServer.method_3786(MinecraftServer.java:417) at net.minecraft.server.MinecraftServer.method_3735(MinecraftServer.java:342) at knot//net.minecraft.class_1132.method_3823(class_1132.java:73) at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:664) at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:281) at java.base/java.lang.Thread.run(Thread.java:1583) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- 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), Microsoft Memory: 779144088 bytes (743 MiB) / 3007315968 bytes (2868 MiB) up to 4294967296 bytes (4096 MiB) CPUs: 32 Processor Vendor: AuthenticAMD Processor Name: AMD Ryzen 9 7950X3D 16-Core Processor Identifier: AuthenticAMD Family 25 Model 97 Stepping 2 Microarchitecture: Zen 3 Frequency (GHz): 4.19 Number of physical packages: 1 Number of physical CPUs: 16 Number of logical CPUs: 32 Graphics card #0 name: NVIDIA GeForce RTX 5070 Ti Graphics card #0 vendor: NVIDIA Graphics card #0 VRAM (MiB): 16303.00 Graphics card #0 deviceId: VideoController1 Graphics card #0 versionInfo: 32.0.15.9174 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): 50806.27 Virtual memory used (MiB): 23409.34 Swap memory total (MiB): 18432.00 Swap memory used (MiB): 97.65 Space in storage for jna.tmpdir (MiB): available: 1066379.13, total: 1951237.00 Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 1066379.13, total: 1951237.00 Space in storage for io.netty.native.workdir (MiB): available: 1066379.13, total: 1951237.00 Space in storage for java.io.tmpdir (MiB): available: 1066379.13, total: 1951237.00 Space in storage for workdir (MiB): available: 1066379.13, total: 1951237.00 JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4096m -Xms256m Fabric Mods: additional_lights: Additional Lights 1.21-2.1.10 amendments: Amendments 1.21-2.0.8 ante: Anvil Never Too Expensive 1.2.1 appleskin: AppleSkin 3.0.6+mc1.21 archers: Archers (RPG Series) 2.6.4+1.21.1 architectury: Architectury 13.0.8 armory_rpgs: Armory (RPG Series) 1.1.1+1.21.1 arsenal: Arsenal (RPG Series) 1.3.0+1.21.1 azurelibarmor: AzureLib Armor 3.0.21 balm: Balm 21.0.53 kuma_api: KumaAPI 21.0.7 bclib: BCLib 21.0.13 betterarcheology: Better Archeology 1.3.2 bettercombat: Better Combat 2.2.5+1.21.1 betterdungeons: YUNG's Better Dungeons 1.21.1-Fabric-5.1.4 betterend: Better End 21.0.11 betterendcitiesforbetterend: BetterEndCitiesForBetterEnd 1.21.1-1.0.0 betterjungletemples: YUNG's Better Jungle Temples 1.21.1-Fabric-3.1.2 bonecane: Bonecane **.**.**.** bundleapi: Bundle API 1.1.0 cloth-config: Cloth Config v15 15.0.140 cloth-basic-math: cloth-basic-math 0.6.1 combat_roll: Combat Roll 2.0.5+1.21.1 comforts: Comforts 9.0.4+1.21.1 cardinal-components-base: Cardinal Components API (base) 6.1.2 cardinal-components-entity: Cardinal Components API (entities) 6.1.2 spectrelib: SpectreLib 0.17.2+1.21 connectiblechains: Connectible Chains 2.5.4+1.21.1 corail_woodcutter: Corail Woodcutter 3.4.2 cristellib: Cristel Lib 1.2.8 blue_endless_jankson: jankson 1.2.3 ctov: ChoiceTheorem's Overhauled Village 3.5.10 cupboard: cupboard 1.21-2.9 deeperdarker: Deeper and Darker 1.3.3 customportalapi: Custom Portal Api 0.0.1-beta66-1.21 dynamiclights: Dynamic Lights 1.9+mod elementa: Elementa 712 elytratrims: Elytra Trims 3.9.3 conditional-mixin: conditional mixin 0.6.4 mixinsquared: MixinSquared 0.3.3 essential: Essential **.**.**.** essential-container: essential-container 1.0.0 essential-loader: essential-loader 1.2.5 extralib: ExtraLib 1.8.2 extraquests: ExtraQuests 1.5.7 fabric-api: Fabric API 0.116.7+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) 20.2.34+37516cd619 fabric-dimensions-v1: Fabric Dimensions API (v1) 4.0.1+65213ef819 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-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) 5.0.15+2475392c19 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 fabric-language-kotlin: Fabric Language Kotlin 1.13.7+kotlin.2.2.21 org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 2.2.21 org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 2.2.21 org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 2.2.21 org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 2.2.21 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 0.8.0 org_jetbrains_kotlinx_kotlinx-io-core-jvm: kotlinx-io-core-jvm 0.8.0 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 0.17.3 mixinextras: MixinExtras 0.5.0 farmersdelight: Farmer's Delight 1.21.1-3.2.0+refabricated mm: Manningham Mills 2.3 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 friendsandfoes: Friends&Foes 4.0.10 ftblibrary: FTB Library 2101.1.21 ftbquests: FTB Quests 2101.1.16 team_reborn_energy: Energy 4.1.0 ftbteams: FTB Teams 2101.1.4 functionalarmortrim: FunctionalArmorTrim 3 handcrafted: Handcrafted 4.0.3 hopobettermineshaft: Hopo Better Mineshaft 1.3.0 hopobetterunderwaterruins: Hopo Better Underwater Ruins 1.2.1 incendium: Incendium 5.4.3 ironchest: Iron Chests 2.0.4 libgui: LibGui 11.1.0+1.21 jankson: Jankson 8.0.0+j1.2.3 libninepatch: LibNinePatch 1.2.0 items_displayed: Items Displayed 1.3 jade: Jade 15.10.2+fabric java: OpenJDK 64-Bit Server VM 21 jei: Just Enough Items **.**.**.** jewelry: Jewelry (RPG Series) 2.1.1+1.21.1 lithostitched: Lithostitched 1.5.0 lootintegration_townsandtowers: lootintegration_townsandtowers Mod 1.2 lootintegrations: Loot integration Mod 1.21-4.7 lootintegrations_betterarcheology: lootintegrations_betterarcheology Mod 1 lootintegrations_bygonepillage: lootintegrations_bygonepillage Mod 1 lootintegrations_ctov: lootintegrations_ctov Mod 1.4 lootintegrations_dnt: lootintegrations_dnt Mod 1 lootintegrations_hopo: lootintegrations_hopo Mod 1.4 lootintegrations_yungs: lootintegrations_yungs Mod 1.4 map_atlases: Map Atlases 1.21-6.3.6 minecraft: Minecraft 1.21.1 modernfix: ModernFix 5.24.3+mc1.21.1 modmenu: Mod Menu 11.0.3 moonlight: Moonlight Lib 1.21-2.24.0 mousetweaks: Mouse Tweaks 2.26 mr_dungeons_andtavernsoceanmonumentreplacement: Dungeons and Taverns Ocean Monument Replacement 1-v1.2 mr_tidal_towns: Tidal Towns 1.3.4 nemos-vertical-slabs: Nemo's Vertical Slabs 1.21.1-1.2.2 org_jetbrains_annotations: annotations 13.0 owo: oωo **.**.**.**+1.21 io_wispforest_endec: endec **.**.**.** io_wispforest_endec_gson: gson **.**.**.** io_wispforest_endec_jankson: jankson **.**.**.** io_wispforest_endec_netty: netty 0.1.2 paladins: Paladins & Priests (RPG Series) 2.6.0+1.21.1 placeholder-api: Placeholder API 2.4.2+1.21 playeranimator: Player Animator 2.0.1+1.21.1 puffish_skills: Pufferfish's Skills 0.16.8 ranged_weapon_api: RangedWeaponAPI 2.2.0+1.21.1 regions_unexplored: Regions Unexplored **.**.**.** relics_rpgs: Relics (RPG Series) 1.1.0+1.21.1 resourcefulconfig: Resourcefulconfig 3.0.11 resourcefullib: Resourceful Lib 3.0.12 com_teamresourceful_bytecodecs: bytecodecs 1.1.2 com_teamresourceful_yabn: yabn 1.0.3 rogues: Rogues & Warriors (RPG Series) 2.6.0+1.21.1 runes: Runes 1.2.0+1.21.1 shield_api: Shield API 2.1.0 skill_tree_rpgs: Skill Tree (RPG Series) 1.2.1+1.21.1 skyvillages: Sky Villages 1.0.6 sophisticatedbackpacks: Sophisticated Backpacks 1.21.1-3.**.**.**.** sophisticatedcore: Sophisticated Core 1.21.1-1.**.**.**.** porting_lib_conditions: Porting Lib Conditions 3.1.0-beta.47+1.21.1 porting_lib_core: Porting Lib Core 3.1.0-beta.47+1.21.1 porting_lib_fluids: Porting Lib Fluids 3.1.0-beta.47+1.21.1 porting_lib_item_abilities: Porting Lib Item Abilities 3.1.0-beta.47+1.21.1 porting_lib_lazy_registration: Porting Lib Lazy Register 3.1.0-beta.47+1.21.1 porting_lib_level_events: Porting Lib Level Events 3.1.0-beta.47+1.21.1 porting_lib_loot: Porting Lib Loot 3.1.0-beta.47+1.21.1 porting_lib_model_loader: Porting Lib Model Loader 3.1.0-beta.47+1.21.1 porting_lib_render_types: Porting Lib Render Types 3.1.0-beta.47+1.21.1 porting_lib_transfer: Porting Lib Transfer 3.1.0-beta.47+1.21.1 spell_engine: Spell Engine 1.8.2+1.21.1 spell_power: Spell Power Attribute 1.4.1+1.21.1 tiny_config: Tiny Config 3.0.0 structure_pool_api: Structure Pool API 1.2.0+1.21.1 t_and_t: Towns and Towers 1.13.2 takesapillage: It Takes a Pillage Continuation 1.0.9 terrablender: TerraBlender **.**.**.** toffys_hooks: [Toffy's] HOOKS 2.1.0 trade_cycling: Trade Cycling 1.21.1-1.0.18 trashslot: TrashSlot 21.1.4 trinkets: Trinkets 3.10.0 universalcraft: UniversalCraft 446 vigilance: Vigilance 306 waystones: Waystones 21.1.23 wildernature: [Let's Do] WilderNature 1.1.4 wizards: Wizards (RPG Series) 2.6.0+1.21.1 wover: WorldWeaver 21.0.13 wover-biome: WorldWeaver - Biome API 21.0.13 wover-block: WorldWeaver - Block and Item API 21.0.13 wover-common: WorldWeaver - Common API 21.0.13 wover-core: WorldWeaver - Core API 21.0.13 wover-datagen: WorldWeaver - Datagen API 21.0.13 wover-events: WorldWeaver - Events API 21.0.13 wover-feature: WorldWeaver - Feature API 21.0.13 wover-generator: WorldWeaver - World Generator API 21.0.13 wover-item: WorldWeaver - Item API 21.0.13 wover-math: WorldWeaver - Math API 21.0.13 wover-preset: WorldWeaver - World Preset API 21.0.13 wover-recipe: WorldWeaver - Recipe API 21.0.13 wover-structure: WorldWeaver - Structure API 21.0.13 wover-surface: WorldWeaver - Surface API 21.0.13 wover-tag: WorldWeaver - Tag API 21.0.13 wover-ui: WorldWeaver - UI API 21.0.13 wunderlib: WunderLib 21.0.8 yet_another_config_lib_v3: YetAnotherConfigLib 3.7.1+1.21.1-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 yungsapi: YUNG's API 1.21.1-Fabric-5.1.6 org_javassist_javassist: javassist 3.29.2-GA org_reflections_reflections: reflections 0.10.2 Server Running: true Player Count: 0 / 8; [] Active Data Packs: vanilla, fabric, additional_lights, amendments, archers, armory_rpgs, arsenal, balm (incompatible), bclib, betterarcheology, bettercombat, betterdungeons (incompatible), betterend, betterendcitiesforbetterend, betterjungletemples (incompatible), combat_roll, comforts (incompatible), connectiblechains, corail_woodcutter, ctov, deeperdarker (incompatible), dynamiclights, elytratrims (incompatible), fabric-convention-tags-v2, farmersdelight, friendsandfoes, ftbquests, handcrafted, hopobettermineshaft, hopobetterunderwaterruins, incendium, ironchest, items_displayed, jewelry, lithostitched, lootintegration_townsandtowers (incompatible), lootintegrations (incompatible), lootintegrations_betterarcheology (incompatible), lootintegrations_bygonepillage (incompatible), lootintegrations_ctov (incompatible), lootintegrations_dnt (incompatible), lootintegrations_hopo (incompatible), lootintegrations_yungs (incompatible), map_atlases, moonlight, mr_dungeons_andtavernsoceanmonumentreplacement, mr_tidal_towns (incompatible), nemos-vertical-slabs, paladins, porting_lib_item_abilities, regions_unexplored (incompatible), relics_rpgs, rogues, runes, skill_tree_rpgs, skyvillages, sophisticatedbackpacks (incompatible), sophisticatedcore (incompatible), spell_engine, spell_power, t_and_t, takesapillage, terrablender (incompatible), toffys_hooks, trinkets, waystones (incompatible), wildernature, wizards, wover-generator, wover-preset, wover-surface, wover-tag, yungsapi (incompatible), towns_and_towers:resources/t_and_t_waystones_patch, moonlight:merged_pack Available Data Packs: additional_lights, amendments, archers, armory_rpgs, arsenal, balm (incompatible), bclib, betterarcheology, bettercombat, betterdungeons (incompatible), betterend, betterend:nourish_extensions, betterend:patchouli_extensions, betterendcitiesforbetterend, betterjungletemples (incompatible), bundle, combat_roll, comforts (incompatible), connectiblechains, corail_woodcutter, ctov, deeperdarker (incompatible), dynamiclights, elytratrims (incompatible), fabric, fabric-convention-tags-v2, farmersdelight, friendsandfoes, ftbquests, handcrafted, hopobettermineshaft, hopobetterunderwaterruins, incendium, ironchest, items_displayed, jewelry, lithostitched, lootintegration_townsandtowers (incompatible), lootintegrations (incompatible), lootintegrations_betterarcheology (incompatible), lootintegrations_bygonepillage (incompatible), lootintegrations_ctov (incompatible), lootintegrations_dnt (incompatible), lootintegrations_hopo (incompatible), lootintegrations_yungs (incompatible), map_atlases, moonlight, moonlight:merged_pack, mr_dungeons_andtavernsoceanmonumentreplacement, mr_tidal_towns (incompatible), nemos-vertical-slabs, paladins, porting_lib_item_abilities, regions_unexplored (incompatible), relics_rpgs, rogues, runes, skill_tree_rpgs, skyvillages, sophisticatedbackpacks (incompatible), sophisticatedcore (incompatible), spell_engine, spell_power, t_and_t, takesapillage, terrablender (incompatible), toffys_hooks, towns_and_towers:resources/t_and_t_waystones_patch, trade_rebalance, trinkets, vanilla, waystones (incompatible), wildernature, wizards, wover-generator, wover-preset, wover-surface, wover-tag, yungsapi (incompatible) Enabled Feature Flags: minecraft:vanilla World Generation: Stable World Seed: 400285485666090919 Type: Integrated Server (map_client.txt) Is Modded: Definitely; Client brand changed to 'fabric'; Server brand changed to 'fabric' Launched Version: fabric-loader-0.17.3-1.21.1