Update to 1.20.4, and just generally fixing up code. This version actually runs!

src/client/kotlin/chickenmanfy/scify/SciFyClient.kt

@@ -1,7 +1,5 @@
 package chickenmanfy.scify
 
-import io.github.prospector.modmenu.api.ConfigScreenFactory
-import io.github.prospector.modmenu.api.ModMenuApi
 import net.fabricmc.api.ClientModInitializer
 import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents
 import net.fabricmc.fabric.api.client.keybinding.v1.KeyBindingHelper
@@ -10,64 +8,25 @@ import net.minecraft.client.option.KeyBinding
 import net.minecraft.client.util.InputUtil
 import net.minecraft.text.Text
 import org.lwjgl.glfw.GLFW
-import net.fabricmc.api.EnvType
-import net.fabricmc.api.Environment
-import net.minecraft.client.gui.screen.Screen
-import net.minecraft.client.gui.widget.ButtonWidget
-import net.minecraft.client.util.math.MatrixStack
 
 
 object SciFyClient : ClientModInitializer {
-	override fun onInitializeClient() {
-		
-		val menu = KeyBindingHelper.registerKeyBinding(
-			KeyBinding(
-				"Menu",
-				InputUtil.Type.KEYSYM,
-				GLFW.GLFW_KEY_RIGHT_SHIFT,
-				"SciFy"
-			)
-		)
-		ClientTickEvents.END_CLIENT_TICK.register(ClientTickEvents.EndTick { client: MinecraftClient ->
-			while (menu.wasPressed()) {
-				// Debug
-				client.player!!.sendMessage(Text.literal("Button input received."), true)
+    override fun onInitializeClient() {
 
-			}
-		})
-	}
+        val menu = KeyBindingHelper.registerKeyBinding(
+            KeyBinding(
+                "Menu",
+                InputUtil.Type.KEYSYM,
+                GLFW.GLFW_KEY_RIGHT_SHIFT,
+                "SciFy"
+            )
+        )
+        ClientTickEvents.END_CLIENT_TICK.register(ClientTickEvents.EndTick { client: MinecraftClient ->
+            while (menu.wasPressed()) {
+                // Debug
+                client.player!!.sendMessage(Text.literal("Button input received."), true)
+
+            }
+        })
+    }
 }
-
-@Environment(EnvType.CLIENT)
-class ScifyModMenu : ModMenuApi {
-	override fun getModConfigScreenFactory(): ConfigScreenFactory<*> {
-		return ConfigScreenFactory<*> { parent -> menu(parent) }
-	}
-}
-
-
-@Environment(EnvType.CLIENT)
-class menu(private val parent: Screen) : Screen(Text.literal("Your Mod Config")) {
-	override fun init() {
-		// Add a button to open Mod Menu
-		val modMenuButton = ButtonWidget.builder(
-			Text.literal("Mod Menu")
-		) { button: ButtonWidget? ->
-			// Open Mod Menu
-			ModMenu.getInstance().openConfigScreen()
-		}
-			.dimensions(width / 2 - 100, height / 2, 200, 20)
-			.build()
-
-		addDrawableChild(modMenuButton)
-	}
-
-	override fun render(matrices: MatrixStack, mouseX: Int, mouseY: Int, delta: Float) {
-		renderBackground(matrices)
-		super.render(matrices, mouseX, mouseY, delta)
-	}
-
-	fun onClose() {
-		client!!.setScreen(parent)
-	}
-}

src/main/kotlin/chickenmanfy/scify/SciFy.kt

@@ -3,6 +3,6 @@ package chickenmanfy.scify
 import net.fabricmc.api.ModInitializer
 
 object SciFy : ModInitializer {
-	override fun onInitialize() {
-	}
+    override fun onInitialize() {
+    }
 }

src/main/resources/fabric.mod.json

@@ -3,15 +3,22 @@
 	"id": "scify",
 	"version": "${version}",
 	"name": "SciFy",
-	"description": "A Dungeonfy mod so good you'll think it's science fiction",
+	"description": "A Dungeonfy mod so good you'll think it's science fiction\n\n\nThanks to the Dungeonfy community for giving me something to do during summer -Chickenmanfy",
 	"authors": [
-		"Main Developer: Chickenmanfy",
-		"Server Owner: Enook",
-		"Thanks to Endr. for help with some bugs!"
+		{
+			"name": "Chickenmanfy",
+			"role": "Main Developer"
+		}
+	],
+	"contributors": [
+		{
+			"name": "Endr.",
+			"role": "Help with bugs"
+		}
 	],
 	"contact": {
-		"homepage": "https://modrinth.com",
-		"sources": "https://github.com/chickenmanfy/scify/",
+		"homepage": "https://modrinth.com/project/scify",
+		"sources": "https://github.com/chickenmanfy/scify",
 		"issues": "https://github.com/chickenmanfy/scify/issues"
 	},
 	"license": "MPL-2.0",
@@ -40,7 +47,7 @@
 	],
 	"depends": {
 		"fabricloader": ">=0.15.6",
-		"minecraft": "~1.19.4",
+		"minecraft": "~1.20.4",
 		"java": ">=17",
 		"fabric-api": "*",
 		"fabric-language-kotlin": ">=1.9.22"