Game keeps crashing on launch

Here’s the crash report, and thanks in advance
---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 8/31/20 10:10 AM
Description: Unexpected error

org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(
at org.spongepowered.asm.mixin.transformer.FabricMixinTransformerProxy.transformClassBytes(
at net.fabricmc.loader.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(
at net.fabricmc.loader.launch.knot.KnotClassLoader.loadClass(
at java.lang.ClassLoader.loadClass(
at net.minecraft.class_310.method_1523(
at net.minecraft.class_310.method_1514(
at net.minecraft.client.main.Main.main(
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(
at sun.reflect.DelegatingMethodAccessorImpl.invoke(
at java.lang.reflect.Method.invoke(
at net.fabricmc.loader.launch.knot.Knot.init(
at net.fabricmc.loader.launch.knot.KnotClient.main(
Caused by: org.spongepowered.asm.mixin.injection.throwables.InjectionError: Critical injection failure: Callback method applyFogModifyDensity(Lnet/minecraft/class_4184;Lnet/minecraft/class_758$class_4596;FZLorg/spongepowered/asm/mixin/injection/callback/CallbackInfo;Lnet/minecraft/class_3610;Lnet/minecraft/class_1297;F)V in no_fog.mixins.json:client.BackgroundRendererMixin failed injection check, (0/1) succeeded. Scanned 1 target(s). Using refmap NoFog-refmap.json
at org.spongepowered.asm.mixin.injection.struct.InjectionInfo.postInject(
at org.spongepowered.asm.mixin.transformer.MixinTargetContext.applyInjections(
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyInjections(
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(
at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(
… 16 more

A detailed walkthrough of the error, its code path and all known details is as follows:

– System Details –
Minecraft Version: 1.16.2
Minecraft Version ID: 1.16.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 1576722400 bytes (1503 MB) / 2113929216 bytes (2016 MB) up to 2147483648 bytes (2048 MB)
CPUs: 4
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
Fabric Mods:
autoconfig1u: Auto Config v1 Updated 3.2.0-unstable
cloth-basic-math: Cloth Basic Math 0.5.1
cloth-client-events-v0: Cloth Client Events v0 1.4.5
cloth-config2: Cloth Config v4 4.8.1
fabric: Fabric API 0.19.0+build.398-1.16
fabric-api-base: Fabric API Base 0.1.3+12a8474cfa
fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.4+c6a8ea894e
fabric-command-api-v1: Fabric Command API (v1) 1.0.8+5ce533984e
fabric-commands-v0: Fabric Commands (v0) 0.2.0+52d308364e
fabric-containers-v0: Fabric Containers (v0) 0.1.8+045df74f4e
fabric-content-registries-v0: Fabric Content Registries (v0) 0.1.9+059ea8664e
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.2+b7f9825d4e
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.4.0+e2e6cdad4e
fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.0+16acbe5b4e
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.1+91555cd14e
fabric-item-api-v1: Fabric Item API (v1) 1.1.0+29679fd64e
fabric-item-groups-v0: Fabric Item Groups (v0) 0.2.0+438f96364e
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.1+730711c64e
fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.0+3fa9f7c54e
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 1.2.0+74cc3b204e
fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.0.0+fac8f3664e
fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.2+b764ce994e
fabric-models-v0: Fabric Models (v0) 0.1.0+dfdb52d64e
fabric-networking-blockentity-v0: Fabric Networking Block Entity (v0) 0.2.5+b50ffc7b4e
fabric-networking-v0: Fabric Networking (v0) 0.1.10+e00ecb5f4e
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.6.0+e81ec80b4e
fabric-object-builders-v0: Fabric Object Builders (v0) 0.6.1+ba4afa574e
fabric-particles-v1: fabric-particles-v1 0.2.1+0a6f2a704e
fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.4.3+e5d3217f4e
fabric-renderer-api-v1: Fabric Renderer API (v1) 0.2.13+eae12eb84e
fabric-renderer-indigo: Fabric Renderer - Indigo 0.3.4+5d32f5834e
fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 2.1.0+e2862de64e
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.1.3+b7f9825d4e
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.1.10+e5d3217f4e
fabric-rendering-v0: Fabric Rendering (v0) 1.1.0+534104904e
fabric-rendering-v1: Fabric Rendering (v1) 1.2.0+fc24ff244e
fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.2.9+e5d3217f4e
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.1.0+872498414e
fabric-structure-api-v1: Fabric Structure API (v1) 1.0.0+516ece7c4e
fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 1.0.3+ac8e8c594e
fabric-textures-v0: Fabric Textures (v0) 1.0.4+eae12eb84e
fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.2.2+ccce563e4e
fabricloader: Fabric Loader 0.9.2+build.206
itemscroller: Item Scroller 0.15.0-dev.20200812.031004
lithium: Lithium 0.5.2
malilib: MaLiLib 0.10.0-dev.21+arne.1
minecraft: Minecraft 1.16.2
mm: Manningham Mills 2.1
modmenu: Mod Menu 1.14.6+build.31
no_fog: No Fog 1.0.2-beta.1+1.16.2
optifabric: OptiFabric 1.4.1
roughlyenoughitems: Roughly Enough Items 5.2.10
roughlyenoughitems-api: REI (API) 5.2.10
roughlyenoughitems-default-plugin: REI (Default Plugin) 5.2.10
roughlyenoughitems-runtime: REI (Runtime) 5.2.10
shulkerboxtooltip: Shulker Box Tootip 2.1.1+1.16.2
torohealth: ToroHealth Damage Indicators 1.16.2-fabric-1
xaerominimap: Xaero’s Minimap 20.20.2
xaeroworldmap: Xaero’s World Map 1.10.2
Launched Version: fabric-loader-0.9.2+build.206-1.16.2
Backend library: LWJGL version 3.2.2 build 10
Backend API: Intel® HD Graphics 4400 GL version 4.3.0 - Build, Intel
GL Caps: Using framebuffer using OpenGL 3.0
Using VBOs: Yes
Is Modded: Definitely; Client brand changed to ‘fabric’
Type: Client (map_client.txt)
Graphics mode: fast
Resource Packs: vanilla
Current Language: English (US)
CPU: 4x Intel® Core™ i5-4300U CPU @ 1.90GHz
OptiFine Version: OptiFine_1.16.2_HD_U_G3
OptiFine Build: 20200829-104659
Render Distance Chunks: 2
Mipmaps: 0
Anisotropic Filtering: 1
Antialiasing: 0
Multitexture: false
Shaders: null
OpenGlVersion: 4.3.0 - Build
OpenGlRenderer: Intel® HD Graphics 4400
OpenGlVendor: Intel
CpuCount: 4

Sponge is a Vanilla or Forge mod… it does NOT officially work on Fabric.

That said, as of now Sponge doesn’t even have a build for Minecraft 1.16.2

-edit: after looking at that, it looks like it’s the Sponge Mixin system that is failing, which probably works on 1.16, however I do not think the crash relates to sponge at all - there is likely a mod conflict or issue instead.

I would try going through your mods (half at a time or something) and try to find the one causing the crash, and reporting it to that mod author

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