Hello, I play on a mac, and when I try to launch Alice 1.7 I get this error message. 15:40:16] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker [15:40:16] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker [15:40:16] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker [15:40:16] [main/INFO] [FML]: Forge Mod Loader version 7.10.25.1208 for Minecraft 1.7.10 loading [15:40:16] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.6.0_65, running on Mac OS X:x86_64:10.9.4, installed at /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home [15:40:16] [main/WARN] [FML]: The coremod appeng.transformer.AppEngCore does not have a MCVersion annotation, it may cause issues with this version of Minecraft [15:40:16] [main/INFO] [FML]: [AppEng] Core Init [15:40:17] [main/WARN] [FML]: The coremod codechicken.core.launch.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft [15:40:17] [main/WARN] [FML]: The coremod cofh.asm.LoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft java.lang.UnsupportedClassVersionError: nf/fr/ephys/cookiecore/common/CookieCoreASM : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637) at java.lang.ClassLoader.defineClass(ClassLoader.java:621) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:249) at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:381) at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:310) at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:211) at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67) at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126) at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [15:40:17] [main/ERROR] [FML]: An error occurred trying to configure the minecraft home at /Users/Nicolas277/.skcraftlauncher/instances/Alice 1.7/minecraft for Forge Mod Loader java.lang.UnsupportedClassVersionError: nf/fr/ephys/cookiecore/common/CookieCoreASM : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.6.0_65] at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637) ~[?:1.6.0_65] at java.lang.ClassLoader.defineClass(ClassLoader.java:621) ~[?:1.6.0_65] at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) ~[?:1.6.0_65] at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) ~[?:1.6.0_65] at java.net.URLClassLoader.access$000(URLClassLoader.java:58) ~[?:1.6.0_65] at java.net.URLClassLoader$1.run(URLClassLoader.java:197) ~[?:1.6.0_65] at java.security.AccessController.doPrivileged(Native Method) ~[?:1.6.0_65] at java.net.URLClassLoader.findClass(URLClassLoader.java:190) ~[?:1.6.0_65] at net.minecraft.launchwrapperException in thread "main" java.lang.UnsupportedClassVersionError: nf/fr/ephys/cookiecore/common/CookieCoreASM : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637) at java.lang.ClassLoader.defineClass(ClassLoader.java:621) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:249) at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:381) at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:310) at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:211) at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67) at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126) at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) .LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.11-r1.jar:?] at java.lang.ClassLoader.loadClass(ClassLoader.java:306) ~[?:1.6.0_65] at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ~[?:1.6.0_65] at java.lang.Class.forName0(Native Method) ~[?:1.6.0_65] at java.lang.Class.forName(Class.java:249) ~[?:1.6.0_65] at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:381) ~[forge-1.7.10-10.13.0.1208.jar:?] at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:310) ~[forge-1.7.10-10.13.0.1208.jar:?] at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:211) ~[forge-1.7.10-10.13.0.1208.jar:?] at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) [forge-1.7.10-10.13.0.1208.jar:?] at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67) [forge-1.7.10-10.13.0.1208.jar:?] at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) [forge-1.7.10-10.13.0.1208.jar:?] at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126) [forge-1.7.10-10.13.0.1208.jar:?] at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.11-r1.jar:?] at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11-r1.jar:?] Process ended with code: 1
This same problem occurred to Talons1337, Shivcharan, and I - but both Talons' and Shivcharan's posts about this are quite recent and already contain fixes for this problem... Therefore, avoid making a post for a problem that was acknowledged, and use this solution.
Here, use Java 8 - it's slightly better and uses less ram. You need to accept to the FIRST license agreement and then click the download for Mac just below that. Then, change the JVM path to "/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/bin/java" and run SKCraft.