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hi,

[10:36:58] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[10:36:58] [main/INFO]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[10:36:58] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[10:36:58] [main/INFO]: Forge Mod Loader version 7.2.48.997 for Minecraft 1.7.2 loading
[10:36:58] [main/INFO]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.7.0_71, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre7
[10:36:59] [main/WARN]: The coremod codechicken.core.launch.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[10:36:59] [main/WARN]: The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[10:36:59] [main/INFO]: Loading tweaker optifine.OptiFineForgeTweaker from OptiFine_1.7.2_HD_U_D3.jar
[10:36:59] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[10:36:59] [main/INFO]: Loading tweak class name optifine.OptiFineForgeTweaker
[10:36:59] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[10:36:59] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[10:36:59] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[10:36:59] [main/INFO]: Calling tweak class optifine.OptiFineForgeTweaker
OptiFineForgeTweaker: acceptOptions
OptiFineForgeTweaker: injectIntoClassLoader
OptiFine ClassTransformer
OptiFine URL: file:/C:/Users/DELLGEL/AppData/Roaming/MC/MultiMinecraft2/instancias/4/.minecraft/mods/OptiFine_1.7.2_HD_U_D3.jar
OptiFine ZIP file: [email protected]
[10:36:59] [main/INFO]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[10:37:01] [main/ERROR]: Unable to launch
java.lang.RuntimeException: java.lang.NullPointerException
at cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:130) ~[forge-1.7.2-10.12.0.997.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:?]
Caused by: java.lang.NullPointerException
at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:192) ~[guava-15.0.jar:?]
at com.google.common.hash.AbstractByteHasher.putBytes(AbstractByteHasher.java:69) ~[guava-15.0.jar:?]
at com.google.common.hash.AbstractStreamingHashFunction.hashBytes(AbstractStreamingHashFunction.java:65) ~[guava-15.0.jar:?]
at cpw.mods.fml.common.patcher.ClassPatchManager.applyPatch(ClassPatchManager.java:95) ~[forge-1.7.2-10.12.0.997.jar:?]
at cpw.mods.fml.common.patcher.ClassPatchManager.getPatchedResource(ClassPatchManager.java:60) ~[forge-1.7.2-10.12.0.997.jar:?]
at cpw.mods.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.getFieldType(FMLDeobfuscatingRemapper.java:210) ~[forge-1.7.2-10.12.0.997.jar:?]
at cpw.mods.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.parseField(FMLDeobfuscatingRemapper.java:187) ~[forge-1.7.2-10.12.0.997.jar:?]
at cpw.mods.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.setup(FMLDeobfuscatingRemapper.java:148) ~[forge-1.7.2-10.12.0.997.jar:?]
at cpw.mods.fml.common.asm.FMLSanityChecker.injectData(FMLSanityChecker.java:179) ~[forge-1.7.2-10.12.0.997.jar:?]
at cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:125) ~[forge-1.7.2-10.12.0.997.jar:?]
... 2 more

what is the problem, i have java 7