I have a suspicion that it could be caused by Valkyrien Skies bundling clothconfig or fabric-language-kotlin in itself, but I have no way of confirming that.
Weird part is that VS is not mentioned anywhere in the traceback, I found that out by carefully removing mods one by one until I found that it was the cause
Having completeconfig installed alongside Valkyrien Skies causes game to not start
2.5.0
1.2.0
(uses CompleteConfig, I could try with other mod that uses it too, but I don't know any other one)2.1.3-beta.1
which has those bundled in it:cloth-config-fabric-11.1.106.jar
fabric-language-kotlin-1.10.10+kotlin.1.9.10.jar
mixinextras-fabric-0.2.0.jar
11.1.118
1.10.19+kotlin.1.9.23
Full mods list (long)
``` - ae2 15.0.23 \-- team_reborn_energy 3.0.0 - ae2cc 1.1.0.0-1.20.1-FABRIC - amecs 1.3.10+mc.1.20.1 \-- amecsapi 1.4.0+mc1.20-pre1 - amendments 1.20-1.1.10 \-- mixinsquared 0.1.1 - animal_feeding_trough 1.0.3+1.20.1 - antique-atlas 1.4.3+1.20 \-- folk_sisby_kaleido-config 0.1.1+1.1.0-beta.3 - anxff 1.4.0+1.20.1 - appleskin 2.5.1+mc1.20 - architectury 9.2.14 - armorstands 1.2.1 - athena 3.1.2 - authme 7.0.2+1.20 - badpackets 0.4.3 - balm-fabric 7.2.2 - beautify 1.1.0+1.20 - betterclouds 1.3.16+1.20.1 - betterpingdisplay 1.1.1 - betterstats 3.9.4+fabric-1.20.1 \-- tcdcommons 3.9.3+fabric-1.20.1 - bookshelf 20.1.9 - botanypots 13.0.25 - botarium 2.3.3 \-- team_reborn_energy 3.0.0 - bounced 4.0.0 - bushierflowers 0.0.3-1.20.1 - c2me 0.2.0+alpha.11.5 |-- c2me-base 0.2.0+alpha.11.5 |-- c2me-client-uncapvd 0.2.0+alpha.11.5 |-- c2me-fixes-chunkio-threading-issues 0.2.0+alpha.11.5 |-- c2me-fixes-general-threading-issues 0.2.0+alpha.11.5 |-- c2me-fixes-worldgen-threading-issues 0.2.0+alpha.11.5 |-- c2me-fixes-worldgen-vanilla-bugs 0.2.0+alpha.11.5 |-- c2me-notickvd 0.2.0+alpha.11.5 |-- c2me-opts-allocs 0.2.0+alpha.11.5 |-- c2me-opts-chunk-access 0.2.0+alpha.11.5 |-- c2me-opts-chunkio 0.2.0+alpha.11.5 |-- c2me-opts-math 0.2.0+alpha.11.5 |-- c2me-opts-scheduling 0.2.0+alpha.11.5 |-- c2me-opts-worldgen-general 0.2.0+alpha.11.5 |-- c2me-opts-worldgen-vanilla 0.2.0+alpha.11.5 |-- c2me-rewrites-chunk-serializer 0.2.0+alpha.11.5 |-- c2me-rewrites-chunkio 0.2.0+alpha.11.5 |-- c2me-server-utils 0.2.0+alpha.11.5 |-- c2me-threading-chunkio 0.2.0+alpha.11.5 |-- c2me-threading-lighting 0.2.0+alpha.11.5 |-- c2me-threading-worldgen 0.2.0+alpha.11.5 |-- com_ibm_async_asyncutil 0.1.0 |-- net_objecthunter_exp4j 0.4.8 \-- org_threadly_threadly 7.0 - carryon 2.1.2.7 - cccbridge 1.6.2b-fabric - chat_heads 0.10.32 - chatcalc 3.0.24 - chatimage 1.2.3+1.20.1+fabric |-- actionlib 0.6.1-fabric \-- io_github_kituin_chatimagecode 0.9.5 - chipped 3.0.4 - chunkloaders 1.2.8+a - chunksending 1.20.1-2.8 - clickthrough 1.20-fabric0.83.0-0.4.1 |-- crowdin-translate 1.4+1.19.3 \-- gbfabrictools 1.4+1.20 - cloth-config 11.1.118 \-- cloth-basic-math 0.6.1 - clutter 1.20-0.5.7 - collective 7.40 - colorfulsubtitles 1.3.0 - completeconfig 2.5.0 |-- completeconfig-base 2.5.0 |-- completeconfig-gui-cloth 2.5.0 \-- completeconfig-gui-yacl 2.5.0 - computer_cartographer 1.0 - computercraft 1.109.7 |-- cc_tweaked_cobalt 0.9.1 |-- com_electronwill_night-config_core 3.6.7 |-- com_electronwill_night-config_toml 3.6.7 |-- com_jcraft_jzlib 1.1.3 |-- io_netty_netty-codec-http 4.1.82.Final |-- io_netty_netty-codec-socks 4.1.82.Final \-- io_netty_netty-handler-proxy 4.1.82.Final - continuity 3.0.0-beta.4+1.20.1 - convenientdecor 0.4.1 \-- omega-config 1.4.0+1.20.1 - copycats 1.20.1-1.2.2 - crab 1.0.2 - create 0.5.1-f-build.1335+mc1.20.1 |-- com_google_code_findbugs_jsr305 3.0.2 |-- flywheel 0.6.10-2 |-- milk 1.2.60 | \-- dripstone_fluid_lib 3.0.2 |-- porting_lib_accessors 2.3.0+1.20.1 | \-- porting_lib_core 2.3.0+1.20.1 |-- porting_lib_base 2.3.0+1.20.1 | |-- porting_lib_attributes 2.3.0+1.20.1 | |-- porting_lib_common 2.3.0+1.20.1 | |-- porting_lib_core 2.3.0+1.20.1 | |-- porting_lib_fluids 2.3.0+1.20.1 | |-- porting_lib_lazy_registration 2.3.0+1.20.1 | |-- porting_lib_mixin_extensions 2.3.0+1.20.1 | |-- porting_lib_utility 2.3.0+1.20.1 | \-- reach-entity-attributes 2.4.0 |-- porting_lib_brewing 2.3.0+1.20.1 | \-- porting_lib_core 2.3.0+1.20.1 |-- porting_lib_client_events 2.3.0+1.20.1 | \-- porting_lib_core 2.3.0+1.20.1 |-- porting_lib_entity 2.3.0+1.20.1 | |-- porting_lib_core 2.3.0+1.20.1 | \-- porting_lib_mixin_extensions 2.3.0+1.20.1 |-- porting_lib_extensions 2.3.0+1.20.1 | |-- porting_lib_attributes 2.3.0+1.20.1 | |-- porting_lib_common 2.3.0+1.20.1 | |-- porting_lib_core 2.3.0+1.20.1 | \-- reach-entity-attributes 2.4.0 |-- porting_lib_models 2.3.0+1.20.1 | |-- porting_lib_core 2.3.0+1.20.1 | |-- porting_lib_fluids 2.3.0+1.20.1 | \-- porting_lib_model_loader 2.3.0+1.20.1 |-- porting_lib_networking 2.3.0+1.20.1 | \-- porting_lib_core 2.3.0+1.20.1 |-- porting_lib_obj_loader 2.3.0+1.20.1 | |-- porting_lib_core 2.3.0+1.20.1 | \-- porting_lib_model_loader 2.3.0+1.20.1 |-- porting_lib_tags 3.0 | \-- porting_lib_core 2.3.0+1.20.1 |-- porting_lib_tool_actions 2.3.0+1.20.1 | \-- porting_lib_core 2.3.0+1.20.1 |-- porting_lib_transfer 2.3.0+1.20.1 | |-- porting_lib_core 2.3.0+1.20.1 | \-- porting_lib_fluids 2.3.0+1.20.1 |-- reach-entity-attributes 2.4.0 \-- registrate-fabric 1.3.62-MC1.20.1 |-- porting_lib_data 2.1.1090+1.20 | \-- porting_lib_gametest 2.1.1090+1.20 \-- porting_lib_model_generators 2.1.1090+1.20 |-- porting_lib_gametest 2.1.1090+1.20 \-- porting_lib_model_materials 2.1.1090+1.20 - create_enchantment_industry 1.2.16 \-- create_dragon_lib 1.4.2 - create_new_age 1.1.2 - createaddition 1.2.3 - createdeco 2.0.1-1.20.1-fabric - createreibugfix 0.1.0-create0.5.1-mc1.20.x \-- conditional-mixin 0.3.2 - cupboard 1.20.1-2.6 - dark-loading-screen 1.6.14 - delightfulcreators 1.1.8 - display_case 1.0.8 - dogslie 1.2.0 - dynamic_fps 3.4.2 - enchdesc 17.0.14 - entityculling 1.6.2-mc1.20.1 - exordium 1.2.1-mc1.20.1 - explorerscompass 1.20.1-2.2.3-fabric - extractinator 2.3.0 - fabric-api 0.92.0+1.20.1 |-- fabric-api-base 0.4.31+1802ada577 |-- fabric-api-lookup-api-v1 1.6.36+1802ada577 |-- fabric-biome-api-v1 13.0.13+1802ada577 |-- fabric-block-api-v1 1.0.11+1802ada577 |-- fabric-block-view-api-v2 1.0.1+1802ada577 |-- fabric-blockrenderlayer-v1 1.1.41+1802ada577 |-- fabric-client-tags-api-v1 1.1.2+1802ada577 |-- fabric-command-api-v1 1.2.34+f71b366f77 |-- fabric-command-api-v2 2.2.13+1802ada577 |-- fabric-commands-v0 0.2.51+df3654b377 |-- fabric-containers-v0 0.1.64+df3654b377 |-- fabric-content-registries-v0 4.0.11+1802ada577 |-- fabric-convention-tags-v1 1.5.5+1802ada577 |-- fabric-crash-report-info-v1 0.2.19+1802ada577 |-- fabric-data-attachment-api-v1 1.0.0+de0fd6d177 |-- fabric-data-generation-api-v1 12.3.4+1802ada577 |-- fabric-dimensions-v1 2.1.54+1802ada577 |-- fabric-entity-events-v1 1.6.0+1c78457f77 |-- fabric-events-interaction-v0 0.6.2+1802ada577 |-- fabric-events-lifecycle-v0 0.2.63+df3654b377 |-- fabric-game-rule-api-v1 1.0.40+1802ada577 |-- fabric-item-api-v1 2.1.28+1802ada577 |-- fabric-item-group-api-v1 4.0.12+1802ada577 |-- fabric-key-binding-api-v1 1.0.37+1802ada577 |-- fabric-keybindings-v0 0.2.35+df3654b377 |-- fabric-lifecycle-events-v1 2.2.22+1802ada577 |-- fabric-loot-api-v2 1.2.1+1802ada577 |-- fabric-loot-tables-v1 1.1.45+9e7660c677 |-- fabric-message-api-v1 5.1.9+1802ada577 |-- fabric-mining-level-api-v1 2.1.50+1802ada577 |-- fabric-model-loading-api-v1 1.0.3+1802ada577 |-- fabric-models-v0 0.4.2+9386d8a777 |-- fabric-networking-api-v1 1.3.11+1802ada577 |-- fabric-networking-v0 0.3.51+df3654b377 |-- fabric-object-builder-api-v1 11.1.3+1802ada577 |-- fabric-particles-v1 1.1.2+1802ada577 |-- fabric-recipe-api-v1 1.0.21+1802ada577 |-- fabric-registry-sync-v0 2.3.3+1802ada577 |-- fabric-renderer-api-v1 3.2.1+1802ada577 |-- fabric-renderer-indigo 1.5.1+1802ada577 |-- fabric-renderer-registries-v1 3.2.46+df3654b377 |-- fabric-rendering-data-attachment-v1 0.3.37+92a0d36777 |-- fabric-rendering-fluids-v1 3.0.28+1802ada577 |-- fabric-rendering-v0 1.1.49+df3654b377 |-- fabric-rendering-v1 3.0.8+1802ada577 |-- fabric-resource-conditions-api-v1 2.3.8+1802ada577 |-- fabric-resource-loader-v0 0.11.10+1802ada577 |-- fabric-screen-api-v1 2.0.8+1802ada577 |-- fabric-screen-handler-api-v1 1.3.30+1802ada577 |-- fabric-sound-api-v1 1.0.13+1802ada577 |-- fabric-transfer-api-v1 3.3.4+1802ada577 \-- fabric-transitive-access-wideners-v1 4.3.1+1802ada577 - fabric-language-kotlin 1.10.19+kotlin.1.9.23 |-- org_jetbrains_kotlin_kotlin-reflect 1.9.23 |-- org_jetbrains_kotlin_kotlin-stdlib 1.9.23 |-- org_jetbrains_kotlin_kotlin-stdlib-jdk7 1.9.23 |-- org_jetbrains_kotlin_kotlin-stdlib-jdk8 1.9.23 |-- org_jetbrains_kotlinx_atomicfu-jvm 0.23.2 |-- org_jetbrains_kotlinx_kotlinx-coroutines-core-jvm 1.8.0 |-- org_jetbrains_kotlinx_kotlinx-coroutines-jdk8 1.8.0 |-- org_jetbrains_kotlinx_kotlinx-datetime-jvm 0.5.0 |-- org_jetbrains_kotlinx_kotlinx-serialization-cbor-jvm 1.6.3 |-- org_jetbrains_kotlinx_kotlinx-serialization-core-jvm 1.6.3 \-- org_jetbrains_kotlinx_kotlinx-serialization-json-jvm 1.6.3 - fabricloader 0.15.7 \-- mixinextras 0.3.5 - fabrishot 1.10.1 - fallingleaves 1.15.4 - farmersdelight 1.20.1-1.4.3 - fastipping 1.0.1 - ferritecore 6.0.1 - figura 0.1.4+1.20.1 |-- com_github_figuramc_luaj_luaj-core 3.0.8-figura |-- com_github_figuramc_luaj_luaj-jse 3.0.8-figura \-- com_neovisionaries_nv-websocket-client 2.14 - fog-looks-good-now 2.2.0+1.20.1 - forgeconfigapiport 8.0.0 - garnished 1.7.4+1.20.1 |-- create_dragon_lib 1.4.2 \-- terraform-wood-api-v1 7.0.1 - geckolib 4.4.4 \-- com_eliotlash_mclib_mclib 20 - gentlepicking 1.1.0 - givemehats 3.0.0 |-- cardinal-components-base 5.2.2 \-- cardinal-components-entity 5.2.2 - glass_armor 1.0.0+1.20.x - gravity_changer_q 1.1.2 - gravity_tricks 1.0-SNAPSHOT |-- cardinal-components-base 5.2.2 |-- cardinal-components-block 5.2.2 |-- cardinal-components-chunk 5.2.2 |-- cardinal-components-entity 5.2.2 |-- cardinal-components-item 5.2.2 |-- cardinal-components-level 5.2.2 |-- cardinal-components-scoreboard 5.2.2 \-- cardinal-components-world 5.2.2 - held-item-info 1.5.0 - horseexpert 8.1.1 - immersive_paintings 0.6.7+1.20.1 - inventoryessentials 8.2.3 - inventorymanagement 1.3.1 - ironchests 5.0.2 - jade 11.8.0 - jadeaddons 5.2.3 - jamlib 0.6.1+1.20.x - java 17 - jump_sounds 1.4.3 - kawaiidishes 1.11.1 - kiwi 11.5.5 - konkrete 1.8.1 - krypton 0.2.3 \-- com_velocitypowered_velocity-native 3.2.0-SNAPSHOT - labellingcontainers 1.5.2 - lambdynlights 2.3.2+1.20.1 |-- pride 1.2.0+1.19.4 \-- spruceui 5.0.0+1.20 - lazydfu 0.1.3 - lithium 0.11.2 - luphieclutteredmod 2.1.0+1.20.1 - luratagview 2001.0.0 - make_bubbles_pop 0.2.0-fabric - many_flowers 1.20.1-1.5 |-- ducky-updater-lib 2023.10.1 \-- fstats-api 2023.11.2 - melody 1.0.3 - minecraft 1.20.1 - mod-loading-screen 1.0.4 |-- com_formdev_flatlaf 3.0 \-- net_lenni0451_reflect 1.0.2 - modelfix 1.14 - modmenu 7.2.2 - moonlight 1.20-2.11.4 - morechathistory 1.3.0 - morefrogs 1.20.1-1.2.5-fabric - mousetweaks 2.25 - mru 0.4.0+1.20 - nbt_ac 1.2 - nbteditor 1.13.0 - netherchested 8.0.3 \-- puzzlesapi 8.1.5 |-- cardinal-components-base 5.2.2 |-- cardinal-components-entity 5.2.2 \-- puzzlesaccessapi 8.0.9 - nmuk 1.1.1+mc1.20.1 - nochatreports 1.20.1-v2.2.2 - nonarrator 1.0.1 - notenoughcrashes 4.4.7+1.20.1 - observable 4.4.1 - particlerain 2.0.8 - patpatpat 1.1.0 - paxi 1.20-Fabric-4.0 \-- org_reflections_reflections 0.10.2 - pickupnotifier 8.0.0 - ping-wheel 1.8.0 - plantinajar 2.5.3 |-- libgui 8.0.1+1.20 | |-- jankson 5.0.1+j1.2.2 | | \-- blue_endless_jankson 1.2.2 | \-- libninepatch 1.2.0 \-- org_objenesis_objenesis 3.2 - plethora 1.10.6 |-- cloth-utils-v1 4.0.65 |-- com_typesafe_config 1.4.2 |-- io_leangen_geantyref_geantyref 1.3.13 |-- org_spongepowered_configurate-core 4.1.2 \-- org_spongepowered_configurate-hocon 4.1.2 - polyeng 0.1.0-1.20.1 - polymorph 0.49.1+1.20.1 \-- spectrelib 0.13.14+1.20.1 - puzzleslib 8.1.18 - quad 1.1.1 - reacharound 1.1.2 - recipe-book-is-pain 0.10.0-1.20.1 |-- dark-matter-base 1.0.0-1.20 |-- dark-matter-enums 1.0.0-1.20 |-- dark-matter-minecraft 1.0.0-1.20 \-- dark-matter-recipe-book 1.0.0-1.20 - replaymod 1.20.1-2.6.15 - resourcefulconfig 2.1.2 - resourcefullib 2.1.23 |-- com_teamresourceful_bytecodecs 1.0.2 \-- com_teamresourceful_yabn 1.0.3 - roughlyenoughitems 12.0.684 \-- error_notifier 1.0.9 - sc-peripherals 1.8.4 |-- cloth-utils-v1 4.0.65 |-- io_prometheus_simpleclient 0.16.0 |-- io_prometheus_simpleclient_hotspot 0.16.0 |-- io_prometheus_simpleclient_httpserver 0.16.0 |-- org_cache2k_cache2k-api 2.6.1.Final |-- org_cache2k_cache2k-core 2.6.1.Final \-- sc-library 1.4.1 - scarves 1.3.0 \-- pride 1.2.0+1.19.4 - screenshotclipboard 1.0.9 - seamless_loading_screen 2.0.3+1.20.1 - seasonhud 1.7.15 - seasons 2.3+1.20 - servercore 1.3.9+1.20.1 |-- fabric-permissions-api-v0 0.2-SNAPSHOT \-- placeholder-api 2.1.2+1.20.1 - serverpingerfixer 1.0.4 - shifty-hotbar 1.1 - shulkerboxtooltip 4.0.4+1.20.1 - sit 1.20-24 - skinlayers3d 1.6.2 - smoke_suppression 1.0.16 \-- crowdin-translate 1.4+1.19.3 - smoothswapping 0.9.3.1 - snowrealmagic 10.4.1 - spellchecker 3.0.1 \-- com_swabunga_jazzy 1.0.0 - structureessentials 1.20.1-3.3 - supermartijn642configlib 1.1.8+a - supermartijn642corelib 1.1.17 - supplementaries 1.20-2.8.4 \-- mixinsquared 0.1.1 - symbol-chat 1.20.1-1.1.2 - taxfreelevels 1.3.9 - tempad 2.3.3 - textile_backup 3.1.2-1.20 |-- com_github_shevek_parallelgzip af5f5c297e735f3f2df7aa4eb0e19a5810b8aff6 |-- org_apache_commons_commons-compress 1.22 \-- org_tukaani_xz 1.9 - toms_peripherals 1.2.0 - tooltipfix 1.1.1-1.20 - travelersbackpack 1.20.1-9.1.9 - trinkets 3.7.2 - valkyrienskies 2.1.3-beta.1 - variantvanillablocks 1.3.8 - visuality 0.7.1+1.20 - visualworkbench 8.0.0 - vt_downloader 2.0.8+1.20.1 - windchimes 1.2.4+1.20 - winterly 0.9.3+1.20 - xaerominimap 24.0.2 - xaeroworldmap 1.38.1 - yet_another_config_lib_v3 3.2.2+1.20 |-- com_twelvemonkeys_common_common-image 3.10.0-SNAPSHOT |-- com_twelvemonkeys_common_common-io 3.10.0-SNAPSHOT |-- com_twelvemonkeys_common_common-lang 3.10.0-SNAPSHOT |-- com_twelvemonkeys_imageio_imageio-core 3.10.0-SNAPSHOT |-- com_twelvemonkeys_imageio_imageio-metadata 3.10.0-SNAPSHOT |-- com_twelvemonkeys_imageio_imageio-webp 3.10.0-SNAPSHOT |-- org_quiltmc_parsers_gson 0.2.1 \-- org_quiltmc_parsers_json 0.2.1 - yungsapi 1.20-Fabric-4.0.4 \-- org_javassist_javassist 3.29.2-GA - zoomify 2.11.2 |-- com_akuleshov7_ktoml-core-jvm 0.4.1 |-- dev_isxander_settxi_settxi-core 2.10.6 \-- dev_isxander_settxi_settxi-kotlinx-serialization 2.10.6 ```Traceback
``` java.lang.RuntimeException: Could not execute entrypoint stage 'client' due to errors, provided by 'dogslie'! at net.fabricmc.loader.impl.FabricLoaderImpl.lambda$invokeEntrypoints$2(FabricLoaderImpl.java:388) at net.fabricmc.loader.impl.util.ExceptionUtil.gatherExceptions(ExceptionUtil.java:33) at net.fabricmc.loader.impl.FabricLoaderImpl.invokeEntrypoints(FabricLoaderImpl.java:386) at net.fabricmc.loader.impl.game.minecraft.Hooks.startClient(Hooks.java:53) at fudge.notenoughcrashes.fabric.mixinhandlers.ModLoaders.fabricEntrypoints(ModLoaders.java:9) at net.minecraft.class_310.redirect$fbh000$notenoughcrashes$catchFabricInit(class_310.java:23506) at net.minecraft.class_310.I have a suspicion that it could be caused by Valkyrien Skies bundling clothconfig or fabric-language-kotlin in itself, but I have no way of confirming that.
Weird part is that VS is not mentioned anywhere in the traceback, I found that out by carefully removing mods one by one until I found that it was the cause