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I downloaded OreSpawn from Skydaz for 1.6.4 and after I pressed play it crashed.

This is the crash report:

ene 02, 2015 11:41:45 PM net.minecraft.launchwrapper.LogWrapper log
INFORMACIÓN: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
ene 02, 2015 11:41:45 PM net.minecraft.launchwrapper.LogWrapper log
INFORMACIÓN: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
ene 02, 2015 11:41:45 PM net.minecraft.launchwrapper.LogWrapper log
INFORMACIÓN: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
2015-01-02 23:41:45 [INFORMACIÓN] [ForgeModLoader] Forge Mod Loader version 6.4.49.965 for Minecraft 1.6.4 loading
2015-01-02 23:41:45 [INFORMACIÓN] [ForgeModLoader] Java is Java HotSpot(TM) 64-Bit Server VM, version 1.7.0_71, running on Windows 8.1:amd64:6.3, installed at C:\Program Files\Java\jdk1.7.0_71\jre
2015-01-02 23:41:45 [ADVERTENCIA] [ForgeModLoader] The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2015-01-02 23:41:45 [INFORMACIÓN] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2015-01-02 23:41:45 [INFORMACIÓN] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
2015-01-02 23:41:45 [INFORMACIÓN] [ForgeModLoader] Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2015-01-02 23:41:45 [INFORMACIÓN] [ForgeModLoader] Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2015-01-02 23:41:45 [INFORMACIÓN] [ForgeModLoader] Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
2015-01-02 23:41:45 [INFORMACIÓN] [STDOUT] Loaded 40 rules from AccessTransformer config file fml_at.cfg
2015-01-02 23:41:47 [INFORMACIÓN] [ForgeModLoader] Found valid fingerprint for Minecraft Forge. Certificate fingerprint e3c3d50c7c986df74c645c0ac54639741c90a557
2015-01-02 23:41:47 [INFORMACIÓN] [ForgeModLoader] Found valid fingerprint for Minecraft. Certificate fingerprint cd99959656f753dc28d863b46769f7f8fbaefcfc
2015-01-02 23:41:47 [INFORMACIÓN] [ForgeModLoader] Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
2015-01-02 23:41:47 [INFORMACIÓN] [STDOUT] Loaded 110 rules from AccessTransformer config file forge_at.cfg
2015-01-02 23:41:47 [INFORMACIÓN] [ForgeModLoader] Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
2015-01-02 23:41:47 [INFORMACIÓN] [STDERR] Exception in thread "main" java.lang.NoClassDefFoundError: codechicken/core/launch/CodeChickenCorePlugin
2015-01-02 23:41:47 [INFORMACIÓN] [STDERR] at codechicken.nei.asm.NEICorePlugin.getASMTransformerClass(NEICorePlugin.java:23)
2015-01-02 23:41:47 [INFORMACIÓN] [STDERR] at cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:97)
2015-01-02 23:41:47 [INFORMACIÓN] [STDERR] at net.minecraft.launchwrapper.Launch.launch(Launch.java:111)
2015-01-02 23:41:47 [INFORMACIÓN] [STDERR] at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
2015-01-02 23:41:47 [INFORMACIÓN] [STDERR] Caused by: java.lang.ClassNotFoundException: codechicken.core.launch.CodeChickenCorePlugin
2015-01-02 23:41:47 [INFORMACIÓN] [STDERR] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
2015-01-02 23:41:47 [INFORMACIÓN] [STDERR] at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
2015-01-02 23:41:47 [INFORMACIÓN] [STDERR] at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
2015-01-02 23:41:47 [INFORMACIÓN] [STDERR] ... 4 more
2015-01-02 23:41:47 [INFORMACIÓN] [STDERR] Caused by: java.lang.NullPointerException
2015-01-02 23:41:47 [INFORMACIÓN] [STDERR] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:178)
2015-01-02 23:41:47 [INFORMACIÓN] [STDERR] ... 6 more