TieredCompilation InvocationTargetException crash

[SEVERE] [ForgeModLoader] Unable to launch
Client> java.lang.reflect.InvocationTargetException
Client> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Client> 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
Client> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
Client> 	at java.lang.reflect.Method.invoke(Unknown Source)
Client> 	at net.minecraft.launchwrapper.Launch.launch(Launch.java:57)
Client> 	at net.minecraft.launchwrapper.Launch.main(Launch.java:18)
Client> Caused by: java.lang.NoClassDefFoundError: net/minecraft/block/BlockPistonExtension
Client> 	at net.minecraft.block.Block.<clinit>(Block.java:135)
Client> 	at net.minecraft.stats.StatList.func_75921_a(StatList.java:185)
Client> 	at net.minecraft.stats.StatList.<clinit>(StatList.java:96)
Client> 	at net.minecraft.client.Minecraft.<init>(Minecraft.java:328)
Client> 	at net.minecraft.client.main.Main.main(SourceFile:83)
Client> 	... 6 more
Client> Caused by: java.lang.ClassNotFoundException: net.minecraft.block.BlockPistonExtension
Client> 	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:179)
Client> 	at java.lang.ClassLoader.loadClass(Unknown Source)
Client> 	at java.lang.ClassLoader.loadClass(Unknown Source)
Client> 	... 11 more
Client> Caused by: java.lang.ClassCircularityError: poersch/minecraft/core/IClassPatcher
Client> 	at poersch.minecraft.core.ClassPatcher.transform(ClassPatcher.java:48)
Client> 	at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:267)
Client> 	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:165)
Client> 	... 13 more
Game ended with no troubles detected (exit code 0)