there is an error code even when i launch it independently with no other mods except for its dependencies.
This is the code:

info: [2023-08-01T19:02:28Z DEBUG rust_launcher::downloader] Downloading https://game-launcher.feathermc.com/release/version_index.json to C:\Users\Ji\AppData\Roaming.minecraft\version_index.json...
info: [2023-08-01T19:02:28Z DEBUG rust_launcher::downloader] Download from https://game-launcher.feathermc.com/release/version_index.json to C:\Users\Ji\AppData\Roaming.minecraft\version_index.json completed.
CONNECTING TO SERVER undefined
[2023-08-01T19:02:28Z INFO rust_launcher::start::bindings] server: None
info: [2023-08-01T19:02:28Z INFO rust_launcher::start] Loading version
[2023-08-01T19:02:28Z INFO rust_launcher::start] Finished loading version
[2023-08-01T19:02:28Z INFO rust_launcher::start] Finished moving mods
[2023-08-01T19:02:28Z INFO rust_launcher::start] Preparing assets
[2023-08-01T19:02:28Z INFO rust_launcher::start] Preparing JRE
info: {"versionSize":220281422,"state":{"VersionLoading":true},"currentDownloadRate":0,"expectedTasks":6,"downloadSpeed":0,"downloaded":0}
info: {"versionSize":220281422,"state":{"Downloading":["Mods","Libraries","Jre","Assets"]},"currentDownloadRate":0,"expectedTasks":6,"downloadSpeed":0,"downloaded":79400}
info: [2023-08-01T19:02:28Z DEBUG rust_launcher::start] Finished preparing JRE
[2023-08-01T19:02:28Z INFO rust_launcher::start] Preparing libraries
[2023-08-01T19:02:28Z INFO rust_launcher::start] Preparing mods
info: {"versionSize":220281422,"state":{"Downloading":["Mods","Libraries","Assets"]},"currentDownloadRate":0,"expectedTasks":6,"downloadSpeed":0,"downloaded":43227281}
info: [2023-08-01T19:02:29Z INFO rust_launcher::start] Finished preparing mods
info: {"versionSize":220281422,"state":{"Downloading":["Libraries","Assets"]},"currentDownloadRate":0,"expectedTasks":6,"downloadSpeed":0,"downloaded":182614606}
info: {"versionSize":220281422,"state":{"Downloading":["Libraries","Assets"]},"currentDownloadRate":2137,"eta":"1 day","expectedTasks":6,"downloadSpeed":2137,"downloaded":435240544}
info: {"versionSize":220281422,"state":{"Downloading":["Assets"]},"currentDownloadRate":2137,"eta":"3 days","expectedTasks":6,"downloadSpeed":2137,"downloaded":743578932}
info: {"versionSize":220281422,"state":{"Jvm":true},"currentDownloadRate":2137,"eta":"4 days","expectedTasks":6,"downloadSpeed":2137,"downloaded":870245242}
info: starting cleanup
info: [2023-08-01T19:02:30Z INFO rust_launcher::start] Finished preparing libraries
[2023-08-01T19:02:30Z INFO rust_launcher::start] Finished preparing assets
[2023-08-01T19:02:30Z INFO rust_launcher::start] Preparing registry
[2023-08-01T19:02:30Z INFO rust_launcher::start] Finished preparing registry
[2023-08-01T19:02:30Z INFO rust_launcher::common::launch] starting JVM with arguments: ["-Djava.library.path=libraries/native\net/digitalingot/fcef-windows/0.0.5\extracted/;libraries/native\net/digitalingot/fwebp-windows/0.0.1\extracted/;libraries/native\net/digitalingot/favif-windows/0.0.1\extracted/;libraries/native\de/jcm/discord-game-sdk4j-windows/0.5.4\extracted/;libraries/native\org/jitsi/jnopus/1.0\extracted/;libraries/native\org/lwjgl/lwjgl/3.3.1\extracted/;libraries/native\org/lwjgl/lwjgl-jemalloc/3.3.1\extracted/;libraries/native\org/lwjgl/lwjgl-openal/3.3.1\extracted/;libraries/native\org/lwjgl/lwjgl-opengl/3.3.1\extracted/;libraries/native\org/lwjgl/lwjgl-glfw/3.3.1\extracted/;libraries/native\org/lwjgl/lwjgl-stb/3.3.1\extracted/;libraries/native\org/lwjgl/lwjgl-tinyfd/3.3.1\extracted/;libraries/native\com/mojang/text2speech/1.13.9\extracted/", "--add-opens=java.desktop/java.awt.event=ALL-UNNAMED", "--add-opens=java.desktop/java.awt.color=ALL-UNNAMED", "--add-opens=java.desktop/java.awt=ALL-UNNAMED", "--add-opens=java.base/java.lang=ALL-UNNAMED", "-Xmx5500M", "-XX:+UnlockExperimentalVMOptions", "-XX:+UseG1GC", "-XX:G1NewSizePercent=20", "-XX:G1ReservePercent=20", "-XX:MaxGCPauseMillis=50", "-XX:G1HeapRegionSize=32M", "-Dlog4j2.formatMsgNoLookups=true", "-XX:ErrorFile=feather/java_error.log", "-Djavax.accessibility.assistive_technologies=", "-Djavax.net.ssl.trustStoreType=WINDOWS-ROOT", "-cp", "libraries\java\net/minecraft/client/1.20.1/minecraft-1.20.1.jar;libraries\java\net/fabricmc/tiny-mappings-parser/0.3.0+build.17/tiny-mappings-parser-0.3.0+build.17.jar;libraries\java\net/fabricmc/sponge-mixin/0.12.4+mixin.0.8.5/sponge-mixin-0.12.4+mixin.0.8.5.jar;libraries\java\net/fabricmc/tiny-remapper/0.8.2/tiny-remapper-0.8.2.jar;libraries\java\net/fabricmc/access-widener/2.1.0/access-widener-2.1.0.jar;libraries\java\org/ow2/asm/asm/9.5/asm-9.5.jar;libraries\java\org/ow2/asm/asm-analysis/9.5/asm-analysis-9.5.jar;libraries\java\org/ow2/asm/asm-commons/9.5/asm-commons-9.5.jar;libraries\java\org/ow2/asm/asm-tree/9.5/asm-tree-9.5.jar;libraries\java\org/ow2/asm/asm-util/9.5/asm-util-9.5.jar;libraries\java\net/fabricmc/intermediary/1.20.1/intermediary-1.20.1.jar;libraries/java\net/fabricmc/fabric-loader/0.14.21/fabric-loader-0.14.21.jar;libraries\java\de/javagl/obj/0.3.0/obj-0.3.0.jar;libraries\java\de/jcm/discord-game-sdk4j/0.5.4/discord-game-sdk4j-0.5.4;libraries\java\net/digitalingot/feather-server-api-proto/1.1-SNAPSHOT/feather-server-api-proto-1.1-SNAPSHOT.jar;libraries\java\software/bernie/geckolib/geckolib-fabric-1.20.1-3.3.4.jar;libraries\java\net/digitalingot/rust-extension/1.0.7/rust-extension-1.0.7.jar;libraries\java\net/digitalingot/fcef/0.0.5/fcef-0.0.5.jar;libraries\java\net/digitalingot/fwebp/0.0.1/fwebp-0.0.1.jar;libraries\java\net/digitalingot/favif/0.0.1/favif-0.0.1.jar;libraries\java\net/digitalingot/feather-server-api/messaging/0.0.2/messaging-0.0.2-SNAPSHOT.jar;libraries\java\net/digitalingot/feather-server-api/api/0.0.2/api-0.0.2-SNAPSHOT.jar;libraries\java\org/jitsi/libjitsi/1.0-CUSTOM/libjitsi-1.0-CUSTOM.jar;libraries\java\org/jitsi/jitsi-utils/1.0-45-gc3afb76/jitsi-utils-1.0-45-gc3afb76.jar;libraries\java\org/capnproto/runtime/0.1.10/runtime-0.1.10.jar;libraries\java\com/google/inject/guice/5.1.0/guice-vendored-5.1.0.jar;libraries\java\javassist/javassist/3.12.1.GA/javassist-3.12.1.GA.jar;libraries\java\com/github/oshi/oshi-core/6.2.2/oshi-core-6.2.2.jar;libraries\java\com/google/code/gson/gson/2.10/gson-2.10.jar;libraries\java\com/google/guava/failureaccess/1.0.1/failureaccess-1.0.1.jar;libraries\java\com/google/guava/guava/31.1-jre/guava-31.1-jre.jar;libraries\java\com/ibm/icu/icu4j/71.1/icu4j-71.1.jar;libraries\java\com/mojang/authlib/4.0.43/authlib-4.0.43.jar;libraries\java\com/mojang/blocklist/1.0.10/blocklist-1.0.10.jar;libraries\java\com/mojang/brigadier/1.1.8/brigadier-1.1.8.jar;libraries\java\com/mojang/datafixerupper/6.0.8/datafixerupper-6.0.8.jar;libraries\java\com/mojang/logging/1.1.1/logging-1.1.1.jar;libraries\java\com/mojang/patchy/2.2.10/patchy-2.2.10.jar;libraries\java\com/mojang/text2speech/1.17.9/text2speech-1.17.9.jar;libraries\java\commons-codec/commons-codec/1.15/commons-codec-1.15.jar;libraries\java\commons-io/commons-io/2.11.0/commons-io-2.11.0.jar;libraries\java\commons-logging/commons-logging/1.2/commons-logging-1.2.jar;libraries\java\io/netty/netty-codec-http/4.1.82.Final/netty-codec-http-4.1.82.Final.jar;libraries\java\io/netty/netty-buffer/4.1.82.Final/netty-buffer-4.1.82.Final.jar;libraries\java\io/netty/netty-codec/4.1.82.Final/netty-codec-4.1.82.Final.jar;libraries\java\io/netty/netty-common/4.1.82.Final/netty-common-4.1.82.Final.jar;libraries\java\io/netty/netty-handler/4.1.82.Final/netty-handler-4.1.82.Final.jar;libraries\java\io/netty/netty-resolver/4.1.82.Final/netty-resolver-4.1.82.Final.jar;libraries\java\io/netty/netty-transport-classes-epoll/4.1.82.Final/netty-transport-classes-epoll-4.1.82.Final.jar;libraries\java\io/netty/netty-transport-native-unix-common/4.1.82.Final/netty-transport-native-unix-common-4.1.82.Final.jar;libraries\java\io/netty/netty-transport/4.1.82.Final/netty-transport-4.1.82.Final.jar;libraries\java\it/unimi/dsi/fastutil/8.5.9/fastutil-8.5.9.jar;libraries\java\net/java/dev/jna/jna-platform/5.12.1/jna-platform-5.12.1.jar;libraries\java\net/java/dev/jna/jna/5.12.1/jna-5.12.1.jar;libraries\java\net/sf/jopt-simple/jopt-simple/5.0.4/jopt-simple-5.0.4.jar;libraries\java\org/apache/commons/commons-compress/1.21/commons-compress-1.21.jar;libraries\java\org/apache/commons/commons-lang3/3.12.0/commons-lang3-3.12.0.jar;libraries\java\org/apache/httpcomponents/httpclient/4.5.13/httpclient-4.5.13.jar;libraries\java\org/apache/httpcomponents/httpcore/4.4.15/httpcore-4.4.15.jar;libraries\java\org/apache/logging/log4j/log4j-api/2.19.0/log4j-api-2.19.0.jar;libraries\java\org/apache/logging/log4j/log4j-core/2.19.0/log4j-core-2.19.0.jar;libraries\java\org/apache/logging/log4j/log4j-slf4j2-impl/2.19.0/log4j-slf4j2-impl-2.19.0.jar;libraries\java\org/joml/joml/1.10.5/joml-1.10.5.jar;libraries\java\org/lwjgl/lwjgl-glfw/3.3.1/lwjgl-glfw-3.3.1.jar;libraries\java\org/lwjgl/lwjgl-jemalloc/3.3.1/lwjgl-jemalloc-3.3.1.jar;libraries\java\org/lwjgl/lwjgl-openal/3.3.1/lwjgl-openal-3.3.1.jar;libraries\java\org/lwjgl/lwjgl-opengl/3.3.1/lwjgl-opengl-3.3.1.jar;libraries\java\org/lwjgl/lwjgl-stb/3.3.1/lwjgl-stb-3.3.1.jar;libraries\java\org/lwjgl/lwjgl-tinyfd/3.3.1/lwjgl-tinyfd-3.3.1.jar;libraries\java\org/lwjgl/lwjgl/3.3.1/lwjgl-3.3.1.jar;libraries\java\org/slf4j/slf4j-api/2.0.1/slf4j-api-2.0.1.jar", "net.digitalingot.rustextension.ProxiedStart", "net.fabricmc.loader.launch.knot.KnotClient", "--username", "CallMeWater", "--version", "1.20.1-feather", "--gameDir", "C:\Users\Ji\AppData\Roaming/.minecraft", "--assetsDir", "assets", "--assetIndex", "1.20.1-feather-game", "--uuid", "4e1b5e00bb8a415e930469656cdbae2e", "--accessToken", "", "--userType", "msa", "--versionType", "feather", "--width", "1980", "--height", "1080"]
sending javaw pid
info: [20:02:32] [main/INFO]: Loading Minecraft 1.20.1 with Fabric Loader 0.14.21
info: [20:02:32] [main/WARN]: Warnings were found!

• Mod 'More Culling Extra' (morecullingextra) 1.1-1.20.1 recommends any version of carpet-fixes, which is missing!
  • You should install any version of carpet-fixes for the optimal experience.
    info: [20:02:32] [main/INFO]: Loading 61 mods:
  • cloth-config 11.1.106
    -- cloth-basic-math 0.6.1
  • fabric-api 0.85.0+1.20.1
    |-- fabric-api-base 0.4.29+b04edc7a77
    |-- fabric-api-lookup-api-v1 1.6.34+4d8536c977
    |-- fabric-biome-api-v1 13.0.10+b3afc78b77
    |-- fabric-block-api-v1 1.0.9+e022e5d177
    |-- fabric-blockrenderlayer-v1 1.1.39+b3afc78b77
    |-- fabric-client-tags-api-v1 1.1.0+97bb207577
    |-- fabric-command-api-v1 1.2.32+f71b366f77
    |-- fabric-command-api-v2 2.2.11+b3afc78b77
    |-- fabric-commands-v0 0.2.49+df3654b377
    |-- fabric-containers-v0 0.1.61+df3654b377
    |-- fabric-content-registries-v0 4.0.8+b3afc78b77
    |-- fabric-convention-tags-v1 1.5.3+b3afc78b77
    |-- fabric-crash-report-info-v1 0.2.18+aeb40ebe77
    |-- fabric-data-generation-api-v1 12.1.12+b3afc78b77
    |-- fabric-dimensions-v1 2.1.51+b3afc78b77
    |-- fabric-entity-events-v1 1.5.21+b3afc78b77
    |-- fabric-events-interaction-v0 0.6.0+b3afc78b77
    |-- fabric-events-lifecycle-v0 0.2.61+df3654b377
    |-- fabric-game-rule-api-v1 1.0.38+b04edc7a77
    |-- fabric-item-api-v1 2.1.26+b3afc78b77
    |-- fabric-item-group-api-v1 4.0.8+40e50c4677
    |-- fabric-key-binding-api-v1 1.0.36+fb8d95da77
    |-- fabric-keybindings-v0 0.2.34+df3654b377
    |-- fabric-lifecycle-events-v1 2.2.20+b3afc78b77
    |-- fabric-loot-api-v2 1.1.38+b3afc78b77
    |-- fabric-loot-tables-v1 1.1.42+9e7660c677
    |-- fabric-message-api-v1 5.1.6+b3afc78b77
    |-- fabric-mining-level-api-v1 2.1.48+b3afc78b77
    |-- fabric-models-v0 0.3.35+b3afc78b77
    |-- fabric-networking-api-v1 1.3.8+b3afc78b77
    |-- fabric-networking-v0 0.3.48+df3654b377
    |-- fabric-object-builder-api-v1 11.1.0+6beca84877
    |-- fabric-particles-v1 1.1.0+201a23a077
    |-- fabric-recipe-api-v1 1.0.18+b3afc78b77
    |-- fabric-registry-sync-v0 2.2.6+b3afc78b77
    |-- fabric-renderer-api-v1 3.1.0+c154966e77
    |-- fabric-renderer-indigo 1.4.0+c154966e77
    |-- fabric-renderer-registries-v1 3.2.44+df3654b377
    |-- fabric-rendering-data-attachment-v1 0.3.33+b3afc78b77
    |-- fabric-rendering-fluids-v1 3.0.26+b3afc78b77
    |-- fabric-rendering-v0 1.1.47+df3654b377
    |-- fabric-rendering-v1 3.0.6+b3afc78b77
    |-- fabric-resource-conditions-api-v1 2.3.5+ea08f9d877
    |-- fabric-resource-loader-v0 0.11.8+e3d6ed2577
    |-- fabric-screen-api-v1 2.0.6+b3afc78b77
    |-- fabric-screen-handler-api-v1 1.3.27+b3afc78b77
    |-- fabric-sound-api-v1 1.0.12+b3afc78b77
    |-- fabric-transfer-api-v1 3.2.3+43a3fedd77
    -- fabric-transitive-access-wideners-v1 4.2.0+b3afc78b77
  • fabricloader 0.14.21
  • feather 1.0.0-SNAPSHOT
  • java 17
  • memoryleakfix 1.1.1
    -- com_github_llamalad7_mixinextras 0.2.0-beta.8
  • minecraft 1.20.1
  • moreculling 1.20-0.18.1
    -- conditional-mixin 0.3.2
  • morecullingextra 1.1-1.20.1
    info: [20:02:33] [main/INFO]: SpongePowered MIXIN Subsystem Version=0.8.5 Source=file:/C:/Users/Ji/AppData/Roaming/.minecraft/libraries/java/net/fabricmc/sponge-mixin/0.12.4+mixin.0.8.5/sponge-mixin-0.12.4+mixin.0.8.5.jar Service=Knot/Fabric Env=CLIENT
    info: [20:02:33] [main/INFO]: Compatibility level set to JAVA_16
    info: [20:02:33] [main/INFO]: Compatibility level set to JAVA_17
    info: [20:02:33] [main/INFO]: Feather: Optifine dectected? false
    info: [20:02:33] [main/INFO]: [Feather::EssentialMod] Installed: false
    info: [20:02:34] [main/WARN]: Error loading class: com/terraformersmc/modmenu/config/option/EnumConfigOption (java.lang.ClassNotFoundException: com/terraformersmc/modmenu/config/option/EnumConfigOption)
    info: [20:02:34] [main/INFO]: [MemoryLeakFix] Will be applying 3 memory leak fixes!
    info: [20:02:34] [main/INFO]: [MemoryLeakFix] Currently enabled memory leak fixes: [targetEntityLeak, biomeTemperatureLeak, hugeScreenshotLeak]
    info: [20:02:34] [main/WARN]: Error loading class: net/optifine/Config (java.lang.ClassNotFoundException: net/optifine/Config)
    info: [20:02:41] [main/ERROR]: Minecraft has crashed!
    net.fabricmc.loader.impl.FormattedException: java.lang.ExceptionInInitializerError
    at net.fabricmc.loader.impl.FormattedException.ofLocalized(FormattedException.java:63) ~[fabric-loader-0.14.21.jar:?]
    at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:470) ~[fabric-loader-0.14.21.jar:?]
    at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74) ~[fabric-loader-0.14.21.jar:?]
    at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:28) ~[fabric-loader-0.14.21.jar:?]
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:?]
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:?]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:?]
    at net.digitalingot.rustextension.ProxiedStart.main(ProxiedStart.java:16) ~[rust-extension-1.0.7.jar:?]
    Caused by: java.lang.ExceptionInInitializerError
    at net.minecraft.class_4970$class_4971$class_3752.redirect$bdj000$moreculling$shouldDoShapeCache(class_4970.java:1388) ~[client-intermediary.jar:?]
    at net.minecraft.class_4970$class_4971$class_3752.(class_4970.java:1283) ~[client-intermediary.jar:?]
    at net.minecraft.class_4970$class_4971.method_26200(class_4970.java:843) ~[client-intermediary.jar:?]
    at net.minecraft.class_2246.(class_2246.java:1185) ~[client-intermediary.jar:?]
    at net.minecraft.class_2358.method_10199(class_2358.java:326) ~[client-intermediary.jar:?]
    at net.minecraft.class_2966.method_12851(class_2966.java:54) ~[client-intermediary.jar:?]
    at net.minecraft.client.main.Main.main(Main.java:166) ~[minecraft-1.20.1.jar:?]
    at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:468) ~[fabric-loader-0.14.21.jar:?]
    ... 7 more
    Caused by: java.lang.RuntimeException: java.lang.IllegalStateException: Key is not followed by an equals sign on line 1:

Can you send me your config file?

Fixed in v0.20.3