hi,
I have testet the new Version of your Mod but the Game Crash on the Start. And I have the old Config Clear but the Game will not start and every time crash.

Steps.

1. Place Mixinbooter Version 9.1 and UniversalTweaks Version 1.12.0 in the Mods folder
2. Delete the Old Configs
3. Start Minecraft
4. Run the Forge Version on the Minecraft Menü
5. The Game will begin to load but Crash in 5 sec.

Please Fix it. Her Pictures of the Crash and the Mods

It give no Crash Report but I hope the latest log help you.

latest log:
[22:25:23] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[22:25:23] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[22:25:23] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
[22:25:23] [main/INFO] [FML]: Forge Mod Loader version 14.23.5.2860 for Minecraft 1.12.2 loading
[22:25:23] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_51, running on Windows 10:amd64:10.0, installed at C:\Users\Mirko\curseforge\minecraft\Install\runtime\jre-legacy\windows-x64\jre-legacy
[22:25:23] [main/INFO] [FML]: Searching C:\Users\Mirko\AppData\Roaming.minecraft\mods for mods
[22:25:23] [main/INFO] [FML]: Loading tweaker org.spongepowered.asm.launch.MixinTweaker from !mixinbooter-9.1.jar
[22:25:23] [main/WARN] [FML]: Found FMLCorePluginContainsFMLMod marker in UniversalTweaks-1.12.2-1.12.0.jar. This is not recommended, @mods should be in a separate jar from the coremod.
[22:25:23] [main/ERROR] [LaunchWrapper]: Unable to launch
java.lang.RuntimeException: An error occurred trying to configure the Minecraft home at C:\Users\Mirko\AppData\Roaming.minecraft for Forge Mod Loader
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:111) ~[forge-1.12.2-14.23.5.2860.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:81) ~[forge-1.12.2-14.23.5.2860.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:42) ~[forge-1.12.2-14.23.5.2860.jar:?]
at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:141) ~[forge-1.12.2-14.23.5.2860.jar:?]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
Caused by: java.lang.NoClassDefFoundError: com/cleanroommc/configanytime/ConfigAnytime
at mod.acgaming.universaltweaks.config.UTConfigGeneral.(UTConfigGeneral.java:37) ~[UTConfigGeneral.class:?]
at mod.acgaming.universaltweaks.core.UTLoadingPlugin.(UTLoadingPlugin.java:229) ~[UniversalTweaks-1.12.2-1.12.0.jar:?]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_51]
at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_51]
at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:527) ~[forge-1.12.2-14.23.5.2860.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:451) ~[forge-1.12.2-14.23.5.2860.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:265) ~[forge-1.12.2-14.23.5.2860.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:107) ~[forge-1.12.2-14.23.5.2860.jar:?]
... 5 more
Caused by: java.lang.ClassNotFoundException: com.cleanroommc.configanytime.ConfigAnytime
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]
at mod.acgaming.universaltweaks.config.UTConfigGeneral.(UTConfigGeneral.java:37) ~[UTConfigGeneral.class:?]
at mod.acgaming.universaltweaks.core.UTLoadingPlugin.(UTLoadingPlugin.java:229) ~[UniversalTweaks-1.12.2-1.12.0.jar:?]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_51]
at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_51]
at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:527) ~[forge-1.12.2-14.23.5.2860.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:451) ~[forge-1.12.2-14.23.5.2860.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:265) ~[forge-1.12.2-14.23.5.2860.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:107) ~[forge-1.12.2-14.23.5.2860.jar:?]
... 5 more
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]
at mod.acgaming.universaltweaks.config.UTConfigGeneral.(UTConfigGeneral.java:37) ~[UTConfigGeneral.class:?]
at mod.acgaming.universaltweaks.core.UTLoadingPlugin.(UTLoadingPlugin.java:229) ~[UniversalTweaks-1.12.2-1.12.0.jar:?]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_51]
at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_51]
at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:527) ~[forge-1.12.2-14.23.5.2860.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:451) ~[forge-1.12.2-14.23.5.2860.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:265) ~[forge-1.12.2-14.23.5.2860.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:107) ~[forge-1.12.2-14.23.5.2860.jar:?]
... 5 more
[22:25:23] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException
[22:25:23] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:49)
[22:25:23] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.SecurityManager.checkExit(SecurityManager.java:761)
[22:25:23] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.Runtime.exit(Runtime.java:107)
[22:25:23] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.System.exit(System.java:971)
[22:25:23] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:138)
[22:25:23] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

you need to install ConfigAnytime https://www.curseforge.com/minecraft/mc-mods/configanytime, as stated in the readme

thanks