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I'm using MultiMC to try and help but so far, I can't get it to do anything more then crash on launch. Can someone give me a hand? Here's the log:





MultiMC version: 0.4.5



Minecraft folder is:

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/instances/Arstinkernotenough/minecraft



Java path is:

C:/Program Files (x86)/Java/jre7/bin/javaw.exe



Java Arguments:

[-XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump, -Xms512m, -Xmx1024m, -Duser.language=en, -jar, C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/jars/NewLaunch.jar]



Using onesix launcher.



Main Class:

net.minecraft.launchwrapper.Launch



Native path:

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/instances/Arstinkernotenough/natives



Traits:

[]



Libraries:

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/net/minecraftforge/forge/1.7.10-10.13.2.1307-1.7.10/forge-1.7.10-10.13.2.1307-1.7.10-universal.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/net/minecraft/launchwrapper/1.11/launchwrapper-1.11.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/ow2/asm/asm-all/5.0.3/asm-all-5.0.3.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/com/typesafe/config/1.2.1/config-1.2.1.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/lzma/lzma/0.0.1/lzma-0.0.1.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/com/mojang/realms/1.3.5/realms-1.3.5.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/apache/commons/commons-compress/1.8.1/commons-compress-1.8.1.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/apache/httpcomponents/httpclient/4.3.3/httpclient-4.3.3.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/commons-logging/commons-logging/1.1.3/commons-logging-1.1.3.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/apache/httpcomponents/httpcore/4.3.2/httpcore-4.3.2.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/java3d/vecmath/1.3.1/vecmath-1.3.1.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/net/sf/trove4j/trove4j/3.0.3/trove4j-3.0.3.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/com/ibm/icu/icu4j-core-mojang/51.2/icu4j-core-mojang-51.2.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/net/sf/jopt-simple/jopt-simple/4.5/jopt-simple-4.5.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/com/paulscode/codecjorbis/20101023/codecjorbis-20101023.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/com/paulscode/codecwav/20101023/codecwav-20101023.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/com/paulscode/libraryjavasound/20101123/libraryjavasound-20101123.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/com/paulscode/librarylwjglopenal/20100824/librarylwjglopenal-20100824.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/com/paulscode/soundsystem/20120107/soundsystem-20120107.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/io/netty/netty-all/4.0.10.Final/netty-all-4.0.10.Final.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/com/google/guava/guava/16.0/guava-16.0.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/apache/commons/commons-lang3/3.2.1/commons-lang3-3.2.1.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/commons-io/commons-io/2.4/commons-io-2.4.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/commons-codec/commons-codec/1.9/commons-codec-1.9.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/com/google/code/gson/gson/2.2.4/gson-2.2.4.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/com/mojang/authlib/1.5.16/authlib-1.5.16.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/apache/logging/log4j/log4j-api/2.0-beta9/log4j-api-2.0-beta9.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/apache/logging/log4j/log4j-core/2.0-beta9/log4j-core-2.0-beta9.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/tv/twitch/twitch/5.16/twitch-5.16.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/net/java/jinput/jinput/2.0.5/jinput-2.0.5.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/net/java/jutils/jutils/1.0.0/jutils-1.0.0.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/lwjgl/lwjgl/lwjgl/2.9.1/lwjgl-2.9.1.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/libraries/org/lwjgl/lwjgl/lwjgl_util/2.9.1/lwjgl_util-2.9.1.jar

C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/versions/1.7.10/1.7.10.jar



Params:

[--username, <PROFILE NAME>, --version, 1.7.10, --gameDir, C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/instances/Arstinkernotenough/minecraft, --assetsDir, C:/Users/Elizabeth/Downloads/mmc-stable-win32/MultiMC/assets, --assetIndex, 1.7.10, --uuid, <PROFILE ID>, --accessToken, <ACCESS TOKEN>, --userProperties, {}, --userType, mojang, --tweakClass, cpw.mods.fml.common.launcher.FMLTweaker]



Window size: 854 x 480



Preparing native libraries...

Extracting twitch-platform-5.16-natives-windows-32.jar

Extracting twitch-external-platform-4.5-natives-windows-32.jar

Extracting jinput-platform-2.0.5-natives-windows.jar

Extracting lwjgl-platform-2.9.1-natives-windows.jar



[20:29:38] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker

[20:29:38] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker

[20:29:38] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker

[20:29:38] [main/INFO] [FML]: Forge Mod Loader version 7.10.88.1307 for Minecraft 1.7.10 loading

[20:29:38] [main/INFO] [FML]: Java is Java HotSpot(TM) Client VM, version 1.7.0_60, running on Windows 8.1:x86:6.3, installed at C:\Program Files (x86)\Java\jre7

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: java.lang.NoClassDefFoundError: net/minecraftforge/fml/relauncher/IFMLLoadingPlugin

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.defineClass1(Native Method)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.defineClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.security.SecureClassLoader.defineClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.defineClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.access$100(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader$1.run(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader$1.run(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.security.AccessController.doPrivileged(Native Method)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.findClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.forName0(Native Method)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.forName(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:417)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:346)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.reflect.Method.invoke(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:286)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:376)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at org.multimc.EntryPoint.listen(EntryPoint.java:165)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at org.multimc.EntryPoint.main(EntryPoint.java:54)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.relauncher.IFMLLoadingPlugin

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 31 more

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.NullPointerException

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 33 more

[20:29:38] [main/ERROR] [FML]: An error occurred trying to configure the minecraft home at C:\Users\Elizabeth\Downloads\mmc-stable-win32\MultiMC\instances\Arstinkernotenough\minecraft for Forge Mod Loader

java.lang.NoClassDefFoundError: net/minecraftforge/fml/relauncher/IFMLLoadingPlugin

at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.7.0_60]

at java.lang.ClassLoader.defineClass(Unknown Source) ~[?:1.7.0_60]

at java.security.SecureClassLoader.defineClass(Unknown Source) ~[?:1.7.0_60]

at java.net.URLClassLoader.defineClass(Unknown Source) ~[?:1.7.0_60]

at java.net.URLClassLoader.access$100(Unknown Source) ~[?:1.7.0_60]

at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_60]

at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_60]

at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_60]

at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.7.0_60]

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.11.jar:?]

at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_60]

at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_60]

at java.lang.Class.forName0(Native Method) ~[?:1.7.0_60]

at java.lang.Class.forName(Unknown Source) ~[?:1.7.0_60]

at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:417) ~[forge-1.7.10-10.13.2.1307-1.7.10-universal.jar:?]

at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:346) ~[forge-1.7.10-10.13.2.1307-1.7.10-universal.jar:?]

at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214) ~[forge-1.7.10-10.13.2.1307-1.7.10-universal.jar:?]

at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) [forge-1.7.10-10.13.2.1307-1.7.10-universal.jar:?]

at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67) [forge-1.7.10-10.13.2.1307-1.7.10-universal.jar:?]

at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) [forge-1.7.10-10.13.2.1307-1.7.10-universal.jar:?]

at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126) [forge-1.7.10-10.13.2.1307-1.7.10-universal.jar:?]

at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.11.jar:?]

at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_60]

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_60]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_60]

at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_60]

at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:286) [NewLaunch.jar:?]

at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:376) [NewLaunch.jar:?]

at org.multimc.EntryPoint.listen(EntryPoint.java:165) [NewLaunch.jar:?]

at org.multimc.EntryPoint.main(EntryPoint.java:54) [NewLaunch.jar:?]

Caused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.relauncher.IFMLLoadingPlugin

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.11.jar:?]

at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_60]

at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_60]

... 31 more

Caused by: java.lang.NullPointerException

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.11.jar:?]

at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_60]

at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_60]

... 31 more

[20:29:38] [main/INFO] [STDERR]: [org.multimc.onesix.OneSixLauncher:launchWithMainClass:289]: Failed to start Minecraft:

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: java.lang.reflect.InvocationTargetException

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.reflect.Method.invoke(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:286)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:376)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at org.multimc.EntryPoint.listen(EntryPoint.java:165)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at org.multimc.EntryPoint.main(EntryPoint.java:54)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.NoClassDefFoundError: net/minecraftforge/fml/relauncher/IFMLLoadingPlugin

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.defineClass1(Native Method)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.defineClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.security.SecureClassLoader.defineClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.defineClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.access$100(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader$1.run(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader$1.run(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.security.AccessController.doPrivileged(Native Method)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.findClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.forName0(Native Method)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.forName(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:417)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:346)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 8 more

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.relauncher.IFMLLoadingPlugin

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 31 more

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.NullPointerException

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 33 more

[20:29:38] [main/INFO] [STDOUT]: [org.multimc.EntryPoint:main:57]: Exiting with -1

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: java.lang.ArrayIndexOutOfBoundsException: 5

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:21)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.SecurityManager.checkExit(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Runtime.exit(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.System.exit(Unknown Source)

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at org.multimc.EntryPoint.main(EntryPoint.java:58)

Exception in thread "main"

Minecraft exited with exitcode 1.

[20:29:38] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: java.lang.NoClassDefFoundError: net/minecraftforge/fml/relauncher/IFMLLoadingPlugin

1.8 mod installed on a 1.7.10 game. Check your mod folder.