Voilà l'erreur :
Si vous comprenez ce charabia, n'hésitez pas à me dire où est le problème 
Code:
[16:36:43] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:36:44] [main/INFO] [LaunchWrapper]: Using[URL='http://minecraft.fr/forum/#47387795'] primary[IMG]http://cdncache-a.akamaihd.net/items/it/img/arrow-10x10.png[/IMG][/URL] tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:36:44] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[16:36:45] [main/INFO] [FML]: Forge Mod Loader version 7.99.9.1428 for Minecraft 1.7.10 loading
[16:36:45] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_31, running on Windows 8.1:amd64:6.3,[URL='http://minecraft.fr/forum/#22407161'] installed[IMG]http://cdncache-a.akamaihd.net/items/it/img/arrow-10x10.png[/IMG][/URL] at C:\Program Files\Java\jre1.8.0_31
[16:36:45] [main/INFO] [FML]: [AppEng] Core Init
[16:36:45] [main/WARN] [FML]: The coremod aroma1997.core.coremod.CoreMod does not have[URL='http://minecraft.fr/forum/#93324110'] a[IMG]http://cdncache-a.akamaihd.net/items/it/img/arrow-10x10.png[/IMG][/URL] MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:45] [main/WARN] [FML]: The coremod mods.betterfoliage.loader.BetterFoliageLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:45] [main/WARN] [FML]: The coremod codechicken.core.launch.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[URL='http://minecraft.fr/forum/#15416219'] Downloading[IMG]http://cdncache-a.akamaihd.net/items/it/img/arrow-10x10.png[/IMG][/URL]file http://projectredwiki.com/maven/mrtjp/MrTJPCore/1.7.10-1.0.9.18//MrTJPCore-1.7.10-1.0.9.18-universal.jar
[16:36:49] [main/INFO] [STDOUT]: [codechicken.core.launch.DepLoader$DepLoadInst[URL='http://minecraft.fr/forum/#75336256'] download[IMG]http://cdncache-a.akamaihd.net/items/it/img/arrow-10x10.png[/IMG][/URL]:343]:[URL='http://minecraft.fr/forum/#6792682'] Download[IMG]http://cdncache-a.akamaihd.net/items/it/img/arrow-10x10.png[/IMG][/URL] complete
[16:36:49] [main/INFO] [STDOUT]: [codechicken.core.launch.DepLoader$DepLoadInst:checkExisting:431]: Deleted old version ForgeMultipart-1.7.10-1.1.2.331-universal.jar
Downloading file http://files.minecraftforge.net/maven/codechicken/ForgeMultipart/1.7.10-1.2.0.344//ForgeMultipart-1.7.10-1.2.0.344-universal.jar
[16:36:51] [main/INFO] [STDOUT]: [codechicken.core.launch.DepLoader$DepLoadInst:download:343]: Download complete
[16:36:51] [main/WARN] [FML]: The coremod cofh.asm.LoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:51] [main/WARN] [FML]: The coremod atomicstryker.dynamiclights.common.DLFMLCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:51] [main/WARN] [FML]: The coremod naruto1310.extendedWorkbench.EWFMLPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:51] [main/WARN] [FML]: The coremod fastcraft.LoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:51] [main/ERROR] [FML]: Unable to read the jar file ForgeMultipart-1.7.10-1.1.2.331-universal.jar - ignoring
java.io.FileNotFoundException: C:\Users\justin\AppData\Roaming\.minecraft\mods\1.7.10\ForgeMultipart-1.7.10-1.1.2.331-universal.jar (Le fichier spécifié est introuvable)
at java.util.zip.ZipFile[URL='http://minecraft.fr/forum/#63475978'] open[IMG]http://cdncache-a.akamaihd.net/items/it/img/arrow-10x10.png[/IMG][/URL](Native Method) ~[?:1.8.0_31]
at java.util.zip.ZipFile.<init>(Unknown Source) ~[?:1.8.0_31]
at java.util.zip.ZipFile.<init>(Unknown Source) ~[?:1.8.0_31]
at java.util.jar.JarFile.<init>(Unknown Source) ~[?:1.8.0_31]
at java.util.jar.JarFile.<init>(Unknown Source) ~[?:1.8.0_31]
at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:265) [forge-1.7.10-10.13.3.1428-1.7.10.jar:?]
at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:214) [forge-1.7.10-10.13.3.1428-1.7.10.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) [forge-1.7.10-10.13.3.1428-1.7.10.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67) [forge-1.7.10-10.13.3.1428-1.7.10.jar:?]
at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) [forge-1.7.10-10.13.3.1428-1.7.10.jar:?]
at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126) [forge-1.7.10-10.13.3.1428-1.7.10.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:?]
[16:36:51] [main/WARN] [FML]: The coremod ic2.core.coremod.IC2core does not have[URL='http://minecraft.fr/forum/#80911297'] a[IMG]http://cdncache-a.akamaihd.net/items/it/img/arrow-10x10.png[/IMG][/URL] MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:51] [main/WARN] [FML]: The coremod invtweaks.forge.asm.FMLPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:51] [main/WARN] [FML]: The coremod net.malisis.core.asm.MalisisCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:51] [main/WARN] [FML]: The coremod mekanism.common.asm.LoadingHook does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:51] [main/WARN] [FML]: The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:51] [main/WARN] [FML]: The coremod openblocks.OpenBlocksCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:51] [main/WARN] [FML]: The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:51] [main/WARN] [FML]: The coremod rblocks.transformer.RBCore does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[16:36:51] [main/INFO] [FML]: [RBCore] Core Init
[16:36:51] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:36:51] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[16:36:51] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:36:51] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:36:51] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:53] [main/INFO] [FML]: Found valid fingerprint for Minecraft Forge. Certificate fingerprint e3c3d50c7c986df74c645c0ac54639741c90a557
[16:36:53] [main/INFO] [FML]: Found valid fingerprint for Minecraft. Certificate fingerprint cd99959656f753dc28d863b46769f7f8fbaefcfc
[16:36:53] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:53] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:53] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:53] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:53] [main/INFO] [Aroma1997Core]: Finished data injection.
[16:36:53] [main/INFO] [Aroma1997Core]: Finished data injection.
[16:36:53] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:53] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:53] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:53] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:54] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:54] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:54] [main/INFO] [IC2-core]: Extracted library EJML-core-0.26.jar.
[16:36:54] [main/INFO] [IC2-core]: Removed old library ejml-0.23.jar.
[16:36:54] [main/INFO] [IC2-core]: Loaded library EJML-core-0.26.jar.
[16:36:54] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:54] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:54] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:54] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:54] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:54] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[16:36:54] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
Exception in thread "main" [16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: java.lang.NoClassDefFoundError: openmods/asm/VisitorHelper$TransformProvider
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.getDeclaredConstructors0(Native Method)
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.getConstructor0(Unknown Source)
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.newInstance(Unknown Source)
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.registerTransformer(LaunchClassLoader.java:88)
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:101)
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.ClassNotFoundException: openmods.asm.VisitorHelper$TransformProvider
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 8 more
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.NullPointerException
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
[16:36:54] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 10 more
