The game crashed whilst initializing game
Error: java.lang.RuntimeException: Could not execute entrypoint stage 'main' due to errors, provided by 'prefab'!
Exit Code: -1

---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 01/04/21 23:10
Description: Initializing game

java.lang.RuntimeException: Could not execute entrypoint stage 'main' due to errors, provided by 'prefab'!
	at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointUtils.invoke0(EntrypointUtils.java:53)
	at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointUtils.invoke(EntrypointUtils.java:36)
	at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointClient.start(EntrypointClient.java:32)
	at net.minecraft.class_310.<init>(class_310.java:437)
	at net.minecraft.client.main.Main.main(Main.java:177)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at net.fabricmc.loader.game.MinecraftGameProvider.launch(MinecraftGameProvider.java:226)
	at net.fabricmc.loader.launch.knot.Knot.init(Knot.java:139)
	at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:27)
Caused by: java.lang.NoClassDefFoundError: me/sargunvohra/mcmods/autoconfig1u/ConfigData
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at net.fabricmc.loader.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:163)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at com.wuest.prefab.Prefab.onInitialize(Prefab.java:54)
	at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointClient$$Lambda$2267/640720495.accept(Unknown Source)
	at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointUtils.invoke0(EntrypointUtils.java:50)
	... 11 more
Caused by: java.lang.ClassNotFoundException: me.sargunvohra.mcmods.autoconfig1u.ConfigData
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at net.fabricmc.loader.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:168)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 19 more


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

-- Head --
Thread: Render thread
Stacktrace:
	at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointUtils.invoke0(EntrypointUtils.java:53)
	at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointUtils.invoke(EntrypointUtils.java:36)
	at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointClient.start(EntrypointClient.java:32)
	at net.minecraft.class_310.<init>(class_310.java:437)

-- Initialization --
Details:
Stacktrace:
	at net.minecraft.client.main.Main.main(Main.java:177)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at net.fabricmc.loader.game.MinecraftGameProvider.launch(MinecraftGameProvider.java:226)
	at net.fabricmc.loader.launch.knot.Knot.init(Knot.java:139)
	at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:27)

-- System Details --
Details:
	Minecraft Version: 1.16.5
	Minecraft Version ID: 1.16.5
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1217994248 bytes (1161 MB) / 1644167168 bytes (1568 MB) up to 2147483648 bytes (2048 MB)
	CPUs: 8
	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: 
		cloth-basic-math: Cloth Basic Math 0.5.1
		cloth-config2: Cloth Config v4 4.8.2
		fabric: Fabric API 0.32.5+1.16
		fabric-api-base: Fabric API Base 0.2.1+9354966b7d
		fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.0.0+dc716ea17d
		fabric-biome-api-v1: Fabric Biome API (v1) 3.1.1+ca58154a7d
		fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.5+ca58154a7d
		fabric-command-api-v1: Fabric Command API (v1) 1.1.1+351679a77d
		fabric-commands-v0: Fabric Commands (v0) 0.2.2+ca58154a7d
		fabric-containers-v0: Fabric Containers (v0) 0.1.11+9354966b7d
		fabric-content-registries-v0: Fabric Content Registries (v0) 0.2.1+ca58154a7d
		fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.3+ca58154a7d
		fabric-dimensions-v1: fabric-dimensions-v1 2.0.6+9354966b7d
		fabric-entity-events-v1: Fabric Entity Events (v1) 1.0.3+ca58154a7d
		fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.4.2+ca58154a7d
		fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.1+ca58154a7d
		fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.6+ca58154a7d
		fabric-item-api-v1: Fabric Item API (v1) 1.2.1+ca58154a7d
		fabric-item-groups-v0: Fabric Item Groups (v0) 0.2.5+351679a77d
		fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.4+9354966b7d
		fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.1+ca58154a7d
		fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 1.2.1+ca58154a7d
		fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.0.2+ca58154a7d
		fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.3+ca58154a7d
		fabric-models-v0: Fabric Models (v0) 0.2.1+ca58154a7d
		fabric-networking-api-v1: Fabric Networking API (v1) 1.0.1+ca58154a7d
		fabric-networking-blockentity-v0: Fabric Networking Block Entity (v0) 0.2.8+ca58154a7d
		fabric-networking-v0: Fabric Networking (v0) 0.3.2+ca58154a7d
		fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.9.4+9354966b7d
		fabric-object-builders-v0: Fabric Object Builders (v0) 0.7.2+ca58154a7d
		fabric-particles-v1: Fabric Particles (v1) 0.2.4+ca58154a7d
		fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.7.4+ca58154a7d
		fabric-renderer-api-v1: Fabric Renderer API (v1) 0.4.1+ca58154a7d
		fabric-renderer-indigo: Fabric Renderer - Indigo 0.4.4+ca58154a7d
		fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 2.2.1+ca58154a7d
		fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.1.5+ca58154a7d
		fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.1.13+ca58154a7d
		fabric-rendering-v0: Fabric Rendering (v0) 1.1.2+ca58154a7d
		fabric-rendering-v1: Fabric Rendering (v1) 1.5.1+ca58154a7d
		fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.4.2+ca58154a7d
		fabric-screen-api-v1: Fabric Screen API (v1) 1.0.0+c045166c7d
		fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.1.5+9354966b7d
		fabric-structure-api-v1: Fabric Structure API (v1) 1.1.4+ca58154a7d
		fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 1.1.1+ca58154a7d
		fabric-textures-v0: Fabric Textures (v0) 1.0.6+ca58154a7d
		fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.2.6+ca58154a7d
		fabricloader: Fabric Loader 0.11.1
		imm_ptl_core: Immersive Portals Core 0.80
		immersive_portals: Immersive Portals 0.80
		java: Java HotSpot(TM) 64-Bit Server VM 8
		minecraft: Minecraft 1.16.5
		mm: Manningham Mills 2.2
		modmenu: Mod Menu 1.14.6+build.31
		optifabric: OptiFabric 1.9.6
		pehkui: Pehkui 1.9.0+21w10a
		prefab: Prefab 1.0.3
	Launched Version: fabric-loader-0.11.1-1.16.5
	Backend library: LWJGL version 3.2.2 build 10
	Backend API: NO CONTEXT
	GL Caps: 
	Using VBOs: Yes
	Is Modded: Definitely; Client brand changed to 'fabric'
	Type: Client (map_client.txt)
	CPU: <unknown>
	OptiFine Version: OptiFine_1.16.5_HD_U_G7
	OptiFine Build: 20210305-003221
	Shaders: null
	OpenGlVersion: null
	OpenGlRenderer: null
	OpenGlVendor: null
	CpuCount: 0

-- OptiFabric --
Details:
	OptiFine jar designed for: 1.16.5
	OptiFine jar version: OptiFine_1.16.5_HD_U_G7
	OptiFine jar status: Valid OptiFine installer
	OptiFine remapped jar: C:\Users\harry\AppData\Roaming\.minecraft\.optifine\OptiFine_1.16.5_HD_U_G7\Optifine-mapped.jar
	OptiFabric error: <None>