http://files.minecraftforge.net/fmllibs/deobfuscation_data_missing.zip
2013-04-16 13:03:16 [SEVERE] [ForgeModLoader] *** Download http://files.minecraftforge.net/fmllibs/scala-library.jar
2013-04-16 13:03:16 [SEVERE] [ForgeModLoader] <===========>
2013-04-16 13:03:16 [SEVERE] [ForgeModLoader] The following is the errors that caused the setup to fail. They may help you diagnose and resolve the issue
2013-04-16 13:03:16 [SEVERE] [ForgeModLoader] A download error occured
2013-04-16 13:03:16 [SEVERE] [ForgeModLoader] <<< ==== >>>
2013-04-16 13:03:16 [SEVERE] [ForgeModLoader] The following is diagnostic information for developers to review.
2013-04-16 13:03:16 [SEVERE] [ForgeModLoader] Error details
java.lang.RuntimeException: A download error occured
	at cpw.mods.fml.relauncher.RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:548)
	at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:165)
	at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:172)
	at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:259)
	at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:229)
	at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:25)
	at net.minecraft.Launcher.replace(Launcher.java:143)
	at net.minecraft.Launcher$1.run(Launcher.java:87)
Caused by: java.io.FileNotFoundException: http://files.minecraftforge.net/fmllibs/deobfuscation_data_missing.zip
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection$6.run(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection$6.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.net.www.protocol.http.HttpURLConnection.getChainedException(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at cpw.mods.fml.relauncher.RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:532)
	... 7 more
Caused by: java.io.FileNotFoundException: http://files.minecraftforge.net/fmllibs/deobfuscation_data_missing.zip
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(Unknown Source)
	at java.net.URLConnection.getHeaderFieldLong(Unknown Source)
	at java.net.URLConnection.getContentLengthLong(Unknown Source)
	at java.net.URLConnection.getContentLength(Unknown Source)
	at cpw.mods.fml.relauncher.RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:531)
	... 7 more
2013-04-16 13:03:21 [INFO] [STDERR] Exception in thread "Thread-5" java.lang.RuntimeException: java.lang.RuntimeException: A fatal error occured and FML cannot continue
2013-04-16 13:03:21 [INFO] [STDERR] 	at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:192)
2013-04-16 13:03:21 [INFO] [STDERR] 	at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:259)
2013-04-16 13:03:21 [INFO] [STDERR] 	at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:229)
2013-04-16 13:03:21 [INFO] [STDERR] 	at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:25)
2013-04-16 13:03:21 [INFO] [STDERR] 	at net.minecraft.Launcher.replace(Launcher.java:143)
2013-04-16 13:03:21 [INFO] [STDERR] 	at net.minecraft.Launcher$1.run(Launcher.java:87)
2013-04-16 13:03:21 [INFO] [STDERR] Caused by: java.lang.RuntimeException: A fatal error occured and FML cannot continue
2013-04-16 13:03:21 [INFO] [STDERR] 	at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:261)
2013-04-16 13:03:21 [INFO] [STDERR] 	at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:172)
2013-04-16 13:03:21 [INFO] [STDERR] 	... 5 more