---- Minecraft Crash Report ----
// This doesn't make any sense!

Time: 6/28/20 6:42 PM
Description: Initializing game

java.lang.RuntimeException: Could not execute entrypoint stage 'client' due to errors, provided by 'lambdacontrols'!
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:33)
at net.minecraft.class_310.(class_310.java:425)
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:192)
at net.fabricmc.loader.launch.knot.Knot.init(Knot.java:140)
at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:26)
Suppressed: java.lang.reflect.UndeclaredThrowableException
at com.sun.proxy.$Proxy22.onInitializeClient(Unknown Source)
at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointClient$$Lambda$2131/430433816.accept(Unknown Source)
at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointUtils.invoke0(EntrypointUtils.java:50)
... 11 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.fabricmc.loader.util.DefaultLanguageAdapter$1.invoke(DefaultLanguageAdapter.java:122)
... 14 more
Caused by: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/client/event/lifecycle/v1/ClientTickEvents
at me.lambdaurora.spruceui.hud.HudManager.initialize(HudManager.java:42)
... 19 more
Caused by: java.lang.ClassNotFoundException: net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at net.fabricmc.loader.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:161)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 20 more
Caused by: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/client/event/lifecycle/v1/ClientTickEvents
at me.lambdaurora.lambdacontrols.client.LambdaControlsClient.onInitializeClient(LambdaControlsClient.java:82)
at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointClient$$Lambda$2131/430433816.accept(Unknown Source)
at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointUtils.invoke0(EntrypointUtils.java:50)
... 11 more
Caused by: java.lang.ClassNotFoundException: net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at net.fabricmc.loader.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:161)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 14 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:33)
at net.minecraft.class_310.(class_310.java:425)

-- 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:192)
at net.fabricmc.loader.launch.knot.Knot.init(Knot.java:140)
at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:26)

-- System Details --
Details:
Minecraft Version: 1.16.1
Minecraft Version ID: 1.16.1
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: 797224888 bytes (760 MB) / 1744830464 bytes (1664 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:
com_electronwill_night-config_core: core 3.5.3
com_electronwill_night-config_toml: toml 3.5.3
fabric: Fabric API 0.13.1+build.370-1.16
fabric-api-base: Fabric API Base 0.1.3+12a8474c7c
fabric-biomes-v1: Fabric Biomes (v1) 0.2.7+059ea8667c
fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.4+c6a8ea897c
fabric-command-api-v1: Fabric Command API (v1) 1.0.8+5ce533987c
fabric-commands-v0: Fabric Commands (v0) 0.2.0+52d308367c
fabric-containers-v0: Fabric Containers (v0) 0.1.8+045df74f7c
fabric-content-registries-v0: Fabric Content Registries (v0) 0.1.9+059ea8667c
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.2+b7f9825d7c
fabric-dimensions-v1: fabric-dimensions-v1 1.0.0+a71b30537c
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.3.3+7066030f7c
fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.1.3+0d474ec47c
fabric-item-groups-v0: Fabric Item Groups (v0) 0.2.0+438f96367c
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.0+e16a97747c
fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.0+3fa9f7c57c
fabric-loot-tables-v1: Fabric Loot Tables (v1) 0.1.10+059ea8667c
fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.2+b764ce997c
fabric-models-v0: Fabric Models (v0) 0.1.0+dfdb52d67c
fabric-networking-blockentity-v0: Fabric Networking Block Entity (v0) 0.2.5+b50ffc7b7c
fabric-networking-v0: Fabric Networking (v0) 0.1.10+e00ecb5f7c
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.5.5+e00ecb5f7c
fabric-object-builders-v0: Fabric Object Builders (v0) 0.6.0+da175ad67c
fabric-particles-v1: fabric-particles-v1 0.2.1+0a6f2a707c
fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.3.8+7dba2d6c7c
fabric-renderer-api-v1: Fabric Renderer API (v1) 0.2.13+eae12eb87c
fabric-renderer-indigo: Fabric Renderer - Indigo 0.3.1+059ea8667c
fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 2.0.1+5a0f9a607c
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.1.3+b7f9825d7c
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.1.7+12a8474c7c
fabric-rendering-v0: Fabric Rendering (v0) 1.1.0+534104907c
fabric-rendering-v1: Fabric Rendering (v1) 1.1.2+346247d77c
fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.2.5+059ea8667c
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.0.1+f362c86e7c
fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 0.2.5+5a6e8f4c7c
fabric-textures-v0: Fabric Textures (v0) 1.0.4+eae12eb87c
fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.1.4+5794386e7c
fabricloader: Fabric Loader 0.8.8+build.202
lambdacontrols: LambdaControls 1.3.1+1.16.1
minecraft: Minecraft 1.16.1
org_aperlambda_lambdajcommon: lambdajcommon 1.8.0
org_jetbrains_annotations: annotations 17.0.0
spruceui: SpruceUI 1.5.2
Launched Version: fabric-loader-0.8.8+build.202-1.16.1
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:

Hello, I believe you have an older version of Fabric API, try updating it and it should work!

https://www.curseforge.com/minecraft/mc-mods/fabric-api/files/2988824

Let me know if this work, if not then it's very weird.

Thank you so much that worked.