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I was playing Minecraft with a lot of mods installed. I Finally tried to install Ars Magica 2 along with AnimationApi when my game came to a crash. I have no idea how to fix it as I am nooby at these type of things. The Minecraft version is 1.7.2 and I was using Magiclauncher as it helps organize my mods. Thanks in advance!

Crash Report:



*** MagicMinecraftLauncher 1.2.5 ***
LCP: ;C:\Users\Thomas\AppData\Roaming\.minecraft\versions\1.7.2-Forge10.12.2.1147\1.7.2-Forge10.12.2.1147.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\minecraftforge\forge\1.7.2-10.12.2.1147\forge-1.7.2-10.12.2.1147.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\minecraft\launchwrapper\1.9\launchwrapper-1.9.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-library\2.10.2\scala-library-2.10.2.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-compiler\2.10.2\scala-compiler-2.10.2.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\lzma\lzma\0.0.1\lzma-0.0.1.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.3\authlib-1.3.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.0\lwjgl-platform-2.9.0-natives-windows.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput-platform\2.0.5\jinput-platform-2.0.5-natives-windows.jar
MainClass: net.minecraft.launchwrapper.Launch
Restoring disabled mods: mods
Disable inactive mods: mods
Restoring disabled mods: coremods
Disable inactive mods: coremods
[17:56:20] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[17:56:20] [main/INFO]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[17:56:20] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[17:56:20] [main/INFO]: Forge Mod Loader version 7.2.217.1147 for Minecraft 1.7.2 loading
[17:56:20] [main/INFO]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.7.0_21, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre7
[17:56:20] [main/WARN]: The coremod com.spacechase0.minecraft.spacecore.asm.SpaceCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[17:56:20] [main/WARN]: The coremod am2.preloader.AM2PreloaderContainer does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[17:56:20] [main/INFO]: AMCore initializing...stand back! I'm going to try MAGIC!
java.lang.AbstractMethodError
at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:425)
at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:312)
at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214)
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:124)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at magic.launcher.Launcher.main(SourceFile:207)
[17:56:20] [main/ERROR]: An error occurred trying to configure the minecraft home at C:\Users\Thomas\AppData\Roaming\.minecraft for Forge Mod Loader
java.lang.AbstractMethodError
at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:425) ~[forge-1.7.2-10.12.2.1147.jar:?]
at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:312) ~[forge-1.7.2-10.12.2.1147.jar:?]
at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214) ~[forge-1.7.2-10.12.2.1147.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) [forge-1.7.2-10.12.2.1147.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67) [forge-1.7.2-10.12.2.1147.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) [forge-1.7.2-10.12.2.1147.jar:?]
at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:124) [forge-1.7.2-10.12.2.1147.jar:?]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:114) [launchwrapper-1.9.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_21]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_21]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_21]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_21]
at magic.launcher.Launcher.main(SourceFile:207) [MagicLauncher_1.2.5.exe:?]
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at magic.launcher.Launcher.main(SourceFile:207)
Caused by: java.lang.AbstractMethodError
at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:425)
at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:312)
at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214)
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:124)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
... 5 more

Ars Magica hasn't been updated for 1.7.2, it's for 1.6.4

Oh my gosh I am an idiot for not reading! xD Thanks!

Any Idea about this?

Minecraft 1.6.4:

*** MagicMinecraftLauncher 1.2.5 ***
LCP: ;C:\Users\Thomas\AppData\Roaming\.minecraft\versions\1.7.2-Forge10.12.2.1147\1.7.2-Forge10.12.2.1147.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\minecraftforge\forge\1.7.2-10.12.2.1147\forge-1.7.2-10.12.2.1147.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\minecraft\launchwrapper\1.9\launchwrapper-1.9.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-library\2.10.2\scala-library-2.10.2.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-compiler\2.10.2\scala-compiler-2.10.2.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\lzma\lzma\0.0.1\lzma-0.0.1.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.3\authlib-1.3.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.0\lwjgl-platform-2.9.0-natives-windows.jar;C:\Users\Thomas\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput-platform\2.0.5\jinput-platform-2.0.5-natives-windows.jar
MainClass: net.minecraft.launchwrapper.Launch
Restoring disabled mods: mods
Disable inactive mods: mods
Restoring disabled mods: coremods
Disable inactive mods: coremods
[17:56:20] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[17:56:20] [main/INFO]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[17:56:20] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[17:56:20] [main/INFO]: Forge Mod Loader version 7.2.217.1147 for Minecraft 1.7.2 loading
[17:56:20] [main/INFO]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.7.0_21, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre7
[17:56:20] [main/WARN]: The coremod com.spacechase0.minecraft.spacecore.asm.SpaceCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[17:56:20] [main/WARN]: The coremod am2.preloader.AM2PreloaderContainer does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[17:56:20] [main/INFO]: AMCore initializing...stand back! I'm going to try MAGIC!
java.lang.AbstractMethodError
at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:425)
at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:312)
at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214)
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:124)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at magic.launcher.Launcher.main(SourceFile:207)
[17:56:20] [main/ERROR]: An error occurred trying to configure the minecraft home at C:\Users\Thomas\AppData\Roaming\.minecraft for Forge Mod Loader
java.lang.AbstractMethodError
at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:425) ~[forge-1.7.2-10.12.2.1147.jar:?]
at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:312) ~[forge-1.7.2-10.12.2.1147.jar:?]
at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214) ~[forge-1.7.2-10.12.2.1147.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) [forge-1.7.2-10.12.2.1147.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67) [forge-1.7.2-10.12.2.1147.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) [forge-1.7.2-10.12.2.1147.jar:?]
at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:124) [forge-1.7.2-10.12.2.1147.jar:?]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:114) [launchwrapper-1.9.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_21]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_21]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_21]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_21]
at magic.launcher.Launcher.main(SourceFile:207) [MagicLauncher_1.2.5.exe:?]
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at magic.launcher.Launcher.main(SourceFile:207)
Caused by: java.lang.AbstractMethodError
at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:425)
at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:312)
at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214)
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:124)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
... 5 more

Forget that xD I realized i didnt downgrade from forge 1.7.2 to 1.6.4