Describe the bug
---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 24.07.20 10:39
Description: Initializing game

java.lang.ClassCastException: com.electronwill.nightconfig.core.SimpleCommentedConfig cannot be cast to java.lang.Boolean
at me.lambdaurora.lambdacontrols.client.LambdaControlsConfig.load(LambdaControlsConfig.java:86)
at me.lambdaurora.lambdacontrols.client.LambdaControlsClient.onMcInit(LambdaControlsClient.java:106)
at net.minecraft.class_310.handler$zfp000$lambdacontrols_onInit(class_310.java:5581)
at net.minecraft.class_310.(class_310.java:548)
at net.minecraft.client.main.Main.main(Main.java:166)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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)

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

-- Head --
Thread: Render thread
Stacktrace:
at me.lambdaurora.lambdacontrols.client.LambdaControlsConfig.load(LambdaControlsConfig.java:86)
at me.lambdaurora.lambdacontrols.client.LambdaControlsClient.onMcInit(LambdaControlsClient.java:106)
at net.minecraft.class_310.handler$zfp000$lambdacontrols_onInit(class_310.java:5581)
at net.minecraft.class_310.(class_310.java:548)

-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.main.Main.main(Main.java:166)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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: 1.15.2
Minecraft Version ID: 1.15.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_261, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 540200192 bytes (515 MB) / 1073741824 bytes (1024 MB) up to 7516192768 bytes (7168 MB)
CPUs: 8
JVM Flags: 11 total; -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M -XX:ConcGCThreads=2 -XX:ParallelGCThreads=8 -Xmx7168M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M
Fabric Mods:
com_electronwill_night-config_core: core 3.5.3
com_electronwill_night-config_toml: toml 3.5.3
com_moandjiezana_toml_toml4j: toml4j 0.7.2
fabric: Fabric API 0.15.1+build.319-1.15
fabric-api-base: Fabric API Base 0.1.2+b7f9825d0c
fabric-biomes-v1: Fabric Biomes (v1) 0.1.5+3b05f68e0c
fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.4+c6a8ea890c
fabric-climbable-api-v1: Fabric Climbable API (v1) 1.0.0+6ffe71e20c
fabric-command-api-v1: Fabric Command API (v1) 1.0.2+2aebb7ff0c
fabric-commands-v0: Fabric Commands (v0) 0.2.0+2e0c4ff50c
fabric-containers-v0: Fabric Containers (v0) 0.1.3+b7f9825d0c
fabric-content-registries-v0: Fabric Content Registries (v0) 0.1.3+b7f9825d0c
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.2+b7f9825d0c
fabric-dimensions-v1: fabric-dimensions-v1 0.3.0+2ad156310c
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.3.0+fac69e320c
fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.0+2f23104b0c
fabric-item-api-v1: Fabric Item API (v1) 1.0.0+2f23104b0c
fabric-item-groups-v0: Fabric Item Groups (v0) 0.2.0+0121bd900c
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.1+06ca07090c
fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.0+2af3af910c
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 1.1.0+ae75e3bd0c
fabric-loot-tables-v1: Fabric Loot Tables (v1) 0.1.5+e08a73050c
fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.2+ec951ea40c
fabric-models-v0: Fabric Models (v0) 0.1.0+dfdb52d60c
fabric-networking-blockentity-v0: Fabric Networking Block Entity (v0) 0.2.3+e08a73050c
fabric-networking-v0: Fabric Networking (v0) 0.1.10+d487f0ee0c
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.2.1+e7a4edb30c
fabric-object-builders-v0: Fabric Object Builders (v0) 0.5.1+3e5587510c
fabric-particles-v1: fabric-particles-v1 0.2.1+b2771bde0c
fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.2.6+f3d8141b0c
fabric-renderer-api-v1: Fabric Renderer API (v1) 0.2.10+f08b61330c
fabric-renderer-indigo: Fabric Renderer - Indigo 0.2.24+ae75e3bd0c
fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 2.0.1+5a0f9a600c
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.1.3+b7f9825d0c
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.1.6+12515ed90c
fabric-rendering-v0: Fabric Rendering (v0) 1.1.0+534104900c
fabric-rendering-v1: Fabric Rendering (v1) 1.0.0+2a034f0a0c
fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.1.10+06c939b30c
fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 0.1.3+abd915800c
fabric-textures-v0: Fabric Textures (v0) 1.0.4+821cdba70c
fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.1.0+3e5587510c
fabricloader: Fabric Loader 0.9.0+build.204
horsestatsvanilla: Horse Stats Vanilla 1.0.5
lambdacontrols: LambdaControls 1.1.0
lithium: Lithium 0.4.6
minecraft: Minecraft 1.15.2
mm: Manningham Mills 2.0
modmenu: Mod Menu 1.10.2+build.32
optifabric: Optifabric 1.0.0
org_aperlambda_lambdajcommon: lambdajcommon 1.8.0
org_jetbrains_annotations: annotations 17.0.0
org_slf4j_slf4j-api: slf4j-api 1.7.30
org_slf4j_slf4j-simple: slf4j-simple 1.7.30
org_zeroturnaround_zt-zip: zt-zip 1.14
phosphor: Phosphor 0.5.2+build.6
spruceui: SpruceUI 1.3.4
Launched Version: fabric-loader-0.9.0+build.204-1.15.2
Backend library: LWJGL version 3.2.2 build 10
Backend API: Intel(R) HD Graphics 4600 GL version 4.3.0 - Build 20.19.15.5063, 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)
CPU: 8x Intel(R) Core(TM) i7-4800MQ CPU @ 2.70GHz
OptiFine Version: OptiFine_1.15.2_HD_U_G1_pre30
OptiFine Build: 20200622-083032
Render Distance Chunks: 8
Mipmaps: 4
Anisotropic Filtering: 1
Antialiasing: 0
Multitexture: false
Shaders: null
OpenGlVersion: 4.3.0 - Build 20.19.15.5063
OpenGlRenderer: Intel(R) HD Graphics 4600
OpenGlVendor: Intel
CpuCount: 8
#@!@# Game crashed!

To Reproduce
if mod load

Desktop (please complete the following information):
in logs

Additional context
the problem is observed in all versions for 1.15.2. I don't know what else to say. all data is in the logs, please help

Please try deleting the mod's configuration file: .minecraft/config/lambdacontrols.toml

not help

Can you please reupload the crash report (but the one after deleting the mod's configuration file)?

Closed for inactivity and missing information.