FTB error

FTBLaunch starting up (version 1.2.2) AnalyticsBackgroundThread started Java version: 1.7.0_11 Java vendor: Oracle Corporation Java home: C:\Program Files\Java\jre7 Java specification: Java Virtual Machine Specification version: 1.7 by Oracle Corporation Java vm: Java HotSpot(TM) 64-Bit Server VM version: 23.6-b04 by Oracle Corporation OS: amd64 Windows 7 6.1 [i18n] Checking for updates ... [i18n] enUS English language file loaded! [i18n] remoteVer = 10 [i18n] localVer = 10 [i18n] Files are up to date [i18n] Fallback enUS loaded
[i18n] Added 0 enUS to options pane
[i18n] Added 1 cyGB to options pane
[i18n] Added 2 daDK to options pane
[i18n] Added 3 deDE to options pane
[i18n] Added 4 esES to options pane
[i18n] Added 5 frFR to options pane
[i18n] Added 6 itIT to options pane
[i18n] Added 7 maHU to options pane
[i18n] Added 8 nlNL to options pane
[i18n] Added 9 ptBR to options pane
[i18n] Added 10 ptPT to options pane
[i18n] Added 11 ruRU to options pane
[i18n] Added 12 svSE to options pane
[i18n] enUS English language file loaded!
Loading modpack information for modpacks.xml...
Adding pack 1
Adding pack 2
Adding pack 3
Adding pack 4
Adding pack 5
Adding pack 6
Adding pack 7
Adding pack 8
Adding pack 9
loading map information...
loading texture pack information...
Adding texture pack 1
Adding texture pack 2
Adding map 1
Adding texture pack 3
Adding map 2
Adding map 3
Adding map 4
Logging in...
Login complete.
MindCrack
Modpack is up to date.
dirs mk'd
Unexpected end of ZLIB input stream: java.io.EOFException: Unexpected end of ZLIB input stream
Setting MinMemory to 256
Setting MaxMemory to 1536
Loading jars...
Loading URL: file:/C:/Users/Renata/Saved%20Games/ftb/MindCrack/instMods/liteloader_1.4.6.zip
Loading URL: file:/C:/Users/Renata/Saved%20Games/ftb/MindCrack/instMods/MinecraftForge.zip
Loading URL: file:/C:/Users/Renata/Saved%20Games/ftb/MindCrack/minecraft/bin/minecraft.jar
Loading URL: file:/C:/Users/Renata/Saved%20Games/ftb/MindCrack/minecraft/bin/lwjgl.jar
Loading URL: file:/C:/Users/Renata/Saved%20Games/ftb/MindCrack/minecraft/bin/lwjgl_util.jar
Loading URL: file:/C:/Users/Renata/Saved%20Games/ftb/MindCrack/minecraft/bin/jinput.jar
Loading natives...
Natives loaded...
Loading minecraft class
Exception in thread "main" java.lang.NoClassDefFoundError: lg
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at net.ftb.mclauncher.MinecraftLauncher.main(MinecraftLauncher.java:180)
Caused by: java.lang.ClassNotFoundException: lg
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 14 more