Every time I try to click the config button the game just crashes.
``---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 5.3.21 16:39
Description: mouseReleased event handler

java.lang.IllegalStateException: [fabric-screen-api-v1] The current screen (me.shedaniel.rei.gui.DelegateScreen) has not been correctly initialised, please send this crash log to the mod author. This is usually caused by the screen not calling super.init(Lnet/minecraft/client/MinecraftClient;II)V
at net.minecraft.class_437.ensureEventsAreInitialised(class_437.java:2663)
at net.minecraft.class_437.fabric_getAllowMouseReleaseEvent(class_437.java:2745)
at net.fabricmc.fabric.api.client.screen.v1.ScreenMouseEvents.allowMouseRelease(ScreenMouseEvents.java:84)
at net.minecraft.class_312.handler$zlp000$beforeMouseReleasedEvent(class_312.java:1587)
at net.minecraft.class_312.method_1605(class_312.java:94)
at net.minecraft.class_437.method_25412(class_437.java:435)
at net.minecraft.class_312.method_1601(class_312.java:94)
at net.minecraft.class_312.method_22686(class_312.java:162)
at net.minecraft.class_1255.execute(class_1255.java:94)
at net.minecraft.class_312.method_22684(class_312.java:162)
at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36)
at org.lwjgl.system.JNI.invokeV(Native Method)
at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3101)
at com.mojang.blaze3d.systems.RenderSystem.flipFrame(RenderSystem.java:102)
at net.minecraft.class_1041.method_15998(class_1041.java:308)
at net.minecraft.class_310.method_1523(class_310.java:1068)
at net.minecraft.class_310.method_1514(class_310.java:681)
at net.minecraft.client.main.Main.main(Main.java:215)
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:224)
at net.fabricmc.loader.launch.knot.Knot.init(Knot.java:141)
at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:27)

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

-- Head --
Thread: Render thread
Stacktrace:
at net.minecraft.class_437.ensureEventsAreInitialised(class_437.java:2663)
at net.minecraft.class_437.fabric_getAllowMouseReleaseEvent(class_437.java:2745)
at net.fabricmc.fabric.api.client.screen.v1.ScreenMouseEvents.allowMouseRelease(ScreenMouseEvents.java:84)
at net.minecraft.class_312.handler$zlp000$beforeMouseReleasedEvent(class_312.java:1587)
at net.minecraft.class_312.method_1605(class_312.java:94)

-- Affected screen --
Details:
Screen name: me.shedaniel.rei.gui.TransformingScreen
Stacktrace:
at net.minecraft.class_437.method_25412(class_437.java:435)
at net.minecraft.class_312.method_1601(class_312.java:94)
at net.minecraft.class_312.method_22686(class_312.java:162)
at net.minecraft.class_1255.execute(class_1255.java:94)
at net.minecraft.class_312.method_22684(class_312.java:162)
at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36)
at org.lwjgl.system.JNI.invokeV(Native Method)
at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3101)
at com.mojang.blaze3d.systems.RenderSystem.flipFrame(RenderSystem.java:102)

-- Affected level --
Details:
All players: 1 total; [class_746['Vaisik'/5663, l='ClientLevel', x=-232.37, y=66.00, z=279.70]]
Chunk stats: SodiumChunkCache: 1722
Level dimension: minecraft:overworld
Level spawn location: World: (-240,72,112), Chunk: (at 0,4,0 in -15,7; contains blocks -240,0,112 to -225,255,127), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 35106768 game time, 14272367 day time
Server brand: Spigot
Server type: Non-integrated multiplayer server
Stacktrace:
at net.minecraft.class_638.method_8538(class_638.java:449)
at net.minecraft.class_310.method_1587(class_310.java:2239)
at net.minecraft.class_310.method_1514(class_310.java:699)
at net.minecraft.client.main.Main.main(Main.java:215)
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:224)
at net.fabricmc.loader.launch.knot.Knot.init(Knot.java:141)
at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:27)

-- System Details --
Details:
Minecraft Version: 1.16.4
Minecraft Version ID: 1.16.4
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_281, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 436635400 bytes (416 MB) / 1021886464 bytes (974 MB) up to 6429081600 bytes (6131 MB)
CPUs: 8
JVM Flags: 6 total; -Xmx6G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
Fabric Mods:
architectury: Architectury 1.5.112
autoconfig1u: Auto Config v1 Updated 3.3.1
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 4.8.3
fabric: Fabric API 0.30.0+1.16
fabric-api-base: Fabric API Base 0.2.0+daa38b3d7d
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) 1.0.10+ca58154a7d
fabric-commands-v0: Fabric Commands (v0) 0.2.2+ca58154a7d
fabric-containers-v0: Fabric Containers (v0) 0.1.10+ca58154a7d
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 2.0.2+ca58154a7d
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) 0.2.3+ca58154a7d
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.2+ca58154a7d
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) 1.9.3+ca58154a7d
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) 1.1.1+ca58154a7d
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 0.10.8
lightoverlay: Light Overlay 5.6.1
litematica: Litematica 0.0.0-dev.20210120.213004
lithium: Lithium 0.6.0
lithium-api: Lithium API 0.6.0
malilib: MaLiLib 0.10.0-dev.21+arne.2
minecraft: Minecraft 1.16.4
minihud: MiniHUD 0.19.0-dev.20201103.184029
modmenu: Mod Menu 1.14.13+build.19
phosphor: Phosphor 0.6.0+build.7
roughlyenoughitems: Roughly Enough Items 5.8.10
roughlyenoughitems-api: REI (API) 5.8.10
roughlyenoughitems-default-plugin: REI (Default Plugin) 5.8.10
roughlyenoughitems-runtime: REI (Runtime) 5.8.10
sodium: Sodium 0.1.0
tweakeroo: Tweakeroo 0.10.0-dev.20210209.145902
xaerominimap: Xaero's Minimap 21.0.0
xaeroworldmap: Xaero's World Map 1.11.8
Launched Version: fabric-loader-0.10.8-1.16.4
Backend library: LWJGL version 3.2.2 build 10
Backend API: GeForce GTX 1650 SUPER/PCIe/SSE2 GL version 4.6.0 NVIDIA 461.09, NVIDIA Corporation
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, Fabric Mods
Current Language: English (US)
CPU: 8x Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz``

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.

JEI is for Forge, not Fabric. You probably want the repository for "REI" instead.