In regards to this:
#87 (comment)

The good news? Slot Cycler is now compatible with AutoHUD for Fabric and NeoForge, and I thank you and Fuzs for the hard work to make it happen.

The bad news? Forge throws an error whenever I try to boot up Minecraft with AutoHUD alone.

Crash log:
Exception caught from launcher
java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at io.github.zekerzhayard.forgewrapper.installer.Main.main(Main.java:67)
at org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:87)
at org.prismlauncher.EntryPoint.listen(EntryPoint.java:130)
at org.prismlauncher.EntryPoint.main(EntryPoint.java:70)
Caused by: java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at net.minecraftforge.bootstrap.Bootstrap.start(Bootstrap.java:48)
at net.minecraftforge.bootstrap.ForgeBootstrap.main(ForgeBootstrap.java:18)
... 8 more
Caused by: org.spongepowered.asm.launch.MixinInitialisationError: Error initialising mixin config autohud-forge-compat.mixins.json
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.Config.create(Config.java:153)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.Mixins.createConfiguration(Mixins.java:100)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.Mixins.addConfiguration(Mixins.java:87)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.platform.MixinPlatformManager.addConfig(MixinPlatformManager.java:262)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.platform.MixinPlatformAgentDefault.prepare(MixinPlatformAgentDefault.java:46)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.platform.MixinContainer.prepare(MixinContainer.java:122)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.platform.MixinPlatformManager.createContainerFor(MixinPlatformManager.java:144)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.platform.MixinPlatformManager.addContainer(MixinPlatformManager.java:134)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.platform.MixinPlatformManager.addNestedContainers(MixinPlatformManager.java:152)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.platform.MixinPlatformManager.scanForContainers(MixinPlatformManager.java:213)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.platform.MixinPlatformManager.inject(MixinPlatformManager.java:186)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.MixinBootstrap.inject(MixinBootstrap.java:202)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.MixinLaunchPluginLegacy.initializeLaunch(MixinLaunchPluginLegacy.java:201)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.MixinLaunchPlugin.initializeLaunch(MixinLaunchPlugin.java:34)
at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchPluginHandler.lambda$announceLaunch$7(LaunchPluginHandler.java:105)
at java.base/java.util.HashMap.forEach(HashMap.java:1421)
at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchPluginHandler.announceLaunch(LaunchPluginHandler.java:104)
at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:51)
at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:74)
at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.run(Launcher.java:114)
at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.main(Launcher.java:73)
at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.BootstrapEntry.main(BootstrapEntry.java:17)
at [email protected]/net.minecraftforge.bootstrap.Bootstrap.moduleMain(Bootstrap.java:97)
... 14 more
Caused by: java.lang.IllegalArgumentException: The specified resource 'autohud-forge-compat.mixins.json' was invalid or could not be read
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinConfig.create(MixinConfig.java:1282)
at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.Config.create(Config.java:148)
... 36 more
Exiting with ERROR
Process exited with code 2.

Mod loader: Forge 49.0.34
Minecraft Version: 1.20.4
OS: Windows 11

Mods installed:
autohud-6.6.1+1.20.4-forge

Thank you for letting me know.

Published 6.6.2 to fix this.

Tested it with the bug fix, and it works.