Chesh_01

Currently getting this issue when starting a custom modpack that I'm working on [13:47:08] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker [13:47:08] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker [13:47:08] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker [13:47:08] [main/INFO] [FML]: Forge Mod Loader version 14.23.5.2854 for Minecraft 1.12.2 loading [13:47:08] [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:\Program Files (x86)\Minecraft Launcher\runtime\jre-x64 [13:47:09] [main/INFO] [FML]: Searching C:\Users\conne\AppData\Roaming\.minecraft\mods for mods [13:47:09] [main/INFO] [FML]: Loading tweaker guichaguri.betterfps.tweaker.BetterFpsTweaker from BetterFps-1.4.8.jar [13:47:09] [main/WARN] [FML]: Found FMLCorePluginContainsFMLMod marker in InventoryTweaks-1.58-147.jar. This is not recommended, @Mods should be in a separate jar from the coremod. [13:47:09] [main/ERROR] [LaunchWrapper]: Unable to launch java.lang.RuntimeException: An error occurred trying to configure the Minecraft home at C:\Users\conne\AppData\Roaming\.minecraft for Forge Mod Loader at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:111) ~[forge-1.12.2-14.23.5.2854.jar:?] at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:81) ~[forge-1.12.2-14.23.5.2854.jar:?] at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:42) ~[forge-1.12.2-14.23.5.2854.jar:?] at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:141) ~[forge-1.12.2-14.23.5.2854.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: cpw/mods/fml/relauncher/IFMLLoadingPlugin at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_51] at java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[?:1.8.0_51] at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_51] at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) ~[?:1.8.0_51] at java.net.URLClassLoader.access$100(URLClassLoader.java:73) ~[?:1.8.0_51] at java.net.URLClassLoader$1.run(URLClassLoader.java:368) ~[?:1.8.0_51] at java.net.URLClassLoader$1.run(URLClassLoader.java:362) ~[?:1.8.0_51] at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_51] at java.net.URLClassLoader.findClass(URLClassLoader.java:361) ~[?:1.8.0_51] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[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 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-1.12.2-14.23.5.2854.jar:?] at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:451) ~[forge-1.12.2-14.23.5.2854.jar:?] at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:265) ~[forge-1.12.2-14.23.5.2854.jar:?] at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:107) ~[forge-1.12.2-14.23.5.2854.jar:?] ... 5 more Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin 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 java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_51] at java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[?:1.8.0_51] at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_51] at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) ~[?:1.8.0_51] at java.net.URLClassLoader.access$100(URLClassLoader.java:73) ~[?:1.8.0_51] at java.net.URLClassLoader$1.run(URLClassLoader.java:368) ~[?:1.8.0_51] at java.net.URLClassLoader$1.run(URLClassLoader.java:362) ~[?:1.8.0_51] at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_51] at java.net.URLClassLoader.findClass(URLClassLoader.java:361) ~[?:1.8.0_51] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[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 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-1.12.2-14.23.5.2854.jar:?] at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:451) ~[forge-1.12.2-14.23.5.2854.jar:?] at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:265) ~[forge-1.12.2-14.23.5.2854.jar:?] at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:107) ~[forge-1.12.2-14.23.5.2854.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 java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_51] at java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[?:1.8.0_51] at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_51] at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) ~[?:1.8.0_51] at java.net.URLClassLoader.access$100(URLClassLoader.java:73) ~[?:1.8.0_51] at java.net.URLClassLoader$1.run(URLClassLoader.java:368) ~[?:1.8.0_51] at java.net.URLClassLoader$1.run(URLClassLoader.java:362) ~[?:1.8.0_51] at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_51] at java.net.URLClassLoader.findClass(URLClassLoader.java:361) ~[?:1.8.0_51] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.12.jar:?] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51] at java.lang.Class.forName0(Native Method) ~[?:1.8.0_51] at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_51] at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:527) ~[forge-1.12.2-14.23.5.2854.jar:?] at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:451) ~[forge-1.12.2-14.23.5.2854.jar:?] at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:265) ~[forge-1.12.2-14.23.5.2854.jar:?] at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:107) ~[forge-1.12.2-14.23.5.2854.jar:?] ... 5 more [13:47:09] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException [13:47:09] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:49) [13:47:09] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.SecurityManager.checkExit(SecurityManager.java:761) [13:47:09] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.Runtime.exit(Runtime.java:107) [13:47:09] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.System.exit(System.java:971) [13:47:09] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:138) [13:47:09] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)