Hello, I have this problem when I try to launch my games. I have been trying to resolve the problem but I am unable to do so if someone could help me please.
Mixin prepare failed preparing ScreenMixin in gamemenumodoption.mixins.json: org.spongepowered.asm.mixin.transformer.throwables.MixinTargetAlreadyLoadedException Critical problem: gamemenumodoption.mixins.json:ScreenMixin target net.minecraft.client.gui.screen.Screen was loaded too early. org.spongepowered.asm.mixin.transformer.throwables.MixinTargetAlreadyLoadedException: Critical problem: gamemenumodoption.mixins.json:ScreenMixin target net.minecraft.client.gui.screen.Screen was loaded too early. at org.spongepowered.asm.mixin.transformer.MixinInfo.readDeclaredTargets(MixinInfo.java:947) at org.spongepowered.asm.mixin.transformer.MixinInfo.<init>(MixinInfo.java:881) at org.spongepowered.asm.mixin.transformer.MixinConfig.prepareMixins(MixinConfig.java:850) at org.spongepowered.asm.mixin.transformer.MixinConfig.prepare(MixinConfig.java:779) at org.spongepowered.asm.mixin.transformer.MixinProcessor.prepareConfigs(MixinProcessor.java:539) at org.spongepowered.asm.mixin.transformer.MixinProcessor.select(MixinProcessor.java:462) at org.spongepowered.asm.mixin.transformer.MixinProcessor.checkSelect(MixinProcessor.java:438) at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:290) at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:250) at org.spongepowered.asm.service.modlauncher.MixinTransformationHandler.processClass(MixinTransformationHandler.java:131) at org.spongepowered.asm.launch.MixinLaunchPluginLegacy.processClass(MixinLaunchPluginLegacy.java:131) at cpw.mods.modlauncher.serviceapi.ILaunchPluginService.processClassWithFlags(ILaunchPluginService.java:154) at cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:85) at cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120) at cpw.mods.modlauncher.TransformingClassLoader$DelegatedClassLoader.findClass(TransformingClassLoader.java:265) at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:136) at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:98) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$479/1863397232.call(Unknown Source) at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) at cpw.mods.modlauncher.Launcher.main(Launcher.java:66)