KoppaDoppa

the title, i don't know what to type here.. thats all, but all help are apriciated

thank you! I don't why i didn't think of that! :3

[17:29:41] [main/INFO]: ModLauncher running: args [--username, KoppaDoppa, --version, forge-35.1.37, --gameDir, C:\Users\Krappi\Twitch\Minecraft\Instances\Good Old Days - The Nostalgic Modpack, --assetsDir, C:\Users\Krappi\Twitch\Minecraft\Install\assets, --assetIndex, 1.16, --uuid, d33266e332b04810859af449e76749ae, --accessToken, ????????, --userType, mojang, --versionType, release, --width, 1024, --height, 768, --launchTarget, fmlclient, --fml.forgeVersion, 35.1.37, --fml.mcVersion, 1.16.4, --fml.forgeGroup, net.minecraftforge, --fml.mcpVersion, 20201102.104115] [17:29:41] [main/INFO]: ModLauncher 8.0.9+86+master.3cf110c starting: java version 1.8.0_51 by Oracle Corporation [17:29:41] [main/WARN]: LEGACY JDK DETECTED, SECURED JAR HANDLING DISABLED [17:29:41] [main/INFO]: OptiFineTransformationService.onLoad [17:29:41] [main/INFO]: OptiFine ZIP file: C:\Users\Krappi\Twitch\Minecraft\Instances\Good Old Days - The Nostalgic Modpack\mods\OptiFine_1.16.4_HD_U_G7.jar [17:29:41] [main/INFO]: Target.PRE_CLASS is available [17:29:41] [main/INFO]: Added Lets Encrypt root certificates as additional trust [17:29:41] [main/INFO]: SpongePowered MIXIN Subsystem Version=0.8.2 Source=file:/C:/Users/Krappi/Twitch/Minecraft/Install/libraries/org/spongepowered/mixin/0.8.2/mixin-0.8.2.jar Service=ModLauncher Env=CLIENT [17:29:41] [main/INFO]: OptiFineTransformationService.initialize [17:29:43] [main/INFO]: OptiFineTransformationService.transformers [17:29:43] [main/INFO]: Targets: 308 [17:29:43] [main/INFO]: additionalClassesLocator: [optifine., net.optifine.] [17:29:44] [main/INFO]: Successfully loaded Mixin Connector [corgitaco.shutupexperimentalsettings.mixin.MixinConnector] [17:29:44] [main/INFO]: Launching target 'fmlclient' with arguments [--version, forge-35.1.37, --gameDir, C:\Users\Krappi\Twitch\Minecraft\Instances\Good Old Days - The Nostalgic Modpack, --assetsDir, C:\Users\Krappi\Twitch\Minecraft\Install\assets, --uuid, d33266e332b04810859af449e76749ae, --username, KoppaDoppa, --assetIndex, 1.16, --accessToken, ????????, --userType, mojang, --versionType, release, --width, 1024, --height, 768] [17:29:45] [main/INFO]: Transform: net/minecraft/client/MainWindow [17:29:45] [main/INFO]: Transform: net/optifine/reflect/ReflectorClass [17:29:46] [main/INFO]: Transform: net/minecraft/client/renderer/WorldRenderer [17:29:46] [main/INFO]: Transform: net/minecraft/client/renderer/entity/ItemFrameRenderer [17:29:46] [main/INFO]: Transform: net/minecraft/client/renderer/entity/LivingRenderer [17:29:47] [main/INFO]: Transform: net/minecraft/client/MainWindow [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:39) [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: Caused by: java.lang.reflect.InvocationTargetException [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: at java.lang.reflect.Method.invoke(Method.java:497) [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$481/631717345.call(Unknown Source) [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [17:29:47] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: ... 4 more [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: Caused by: java.lang.ClassFormatError: Duplicate method name&signature in class file net/minecraft/client/MainWindow [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at java.lang.ClassLoader.defineClass1(Native Method) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at java.lang.ClassLoader.defineClass(ClassLoader.java:760) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:138) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:98) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at java.lang.ClassLoader.loadClass(ClassLoader.java:357) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at java.lang.Class.getDeclaredFields0(Native Method) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at java.lang.Class.privateGetDeclaredFields(Class.java:2583) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at java.lang.Class.getDeclaredFields(Class.java:1916) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at net.optifine.reflect.FieldLocatorTypes.<init>(FieldLocatorTypes.java:25) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at net.optifine.reflect.Reflector.<clinit>(Reflector.java:495) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at net.minecraft.crash.CrashReport.func_71504_g(CrashReport.java:101) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at net.minecraft.crash.CrashReport.<init>(CrashReport.java:54) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at net.minecraft.crash.CrashReport.func_230188_h_(CrashReport.java:425) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at net.minecraft.client.main.Main.main(Main.java:122) [17:29:47] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: ... 11 more

Missing: C:\Users\Krappi\Documents\MultiMC\libraries\net\minecraft\client\1.16.4-20201102.104115\client-1.16.4-20201102.104115-slim.jar Some extra libraries are missing! Run the installer to generate them now. Failed to start Minecraft: java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:567) at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:210) at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:245) at org.multimc.EntryPoint.listen(EntryPoint.java:143) at org.multimc.EntryPoint.main(EntryPoint.java:34) 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:78) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:567) at io.github.zekerzhayard.forgewrapper.installer.Main.main(Main.java:46) ... 8 more Caused by: java.lang.NoSuchMethodError: 'net.minecraftforge.installer.json.Install net.minecraftforge.installer.json.Util.loadInstallProfile()' at io.github.zekerzhayard.forgewrapper.installer.util.LegacyInstallerUtil.loadInstallProfile(LegacyInstallerUtil.java:9) at io.github.zekerzhayard.forgewrapper.installer.util.InstallerUtil.loadInstallProfile(InstallerUtil.java:16) at io.github.zekerzhayard.forgewrapper.installer.Installer.install(Installer.java:12) ... 13 more Exiting with -1 Process exited with code -1.

I get also the error :(