crash

20:32:01.685
Patcher expecting non-empty class data file for net.minecraft.crash.CrashReport$1, but received empty.
20:32:01.686
Unable to launch
java.lang.RuntimeException: java.lang.RuntimeException: Patcher expecting non-empty class data file for net.minecraft.crash.CrashReport$1, but received empty, your vanilla jar may be corrupt.
	at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:169)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.RuntimeException: Patcher expecting non-empty class data file for net.minecraft.crash.CrashReport$1, but received empty, your vanilla jar may be corrupt.
	at net.minecraftforge.fml.common.patcher.ClassPatchManager.applyPatch(ClassPatchManager.java:114)
	at net.minecraftforge.fml.common.patcher.ClassPatchManager.getPatchedResource(ClassPatchManager.java:77)
	at net.minecraftforge.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.getFieldType(FMLDeobfuscatingRemapper.java:219)
	at net.minecraftforge.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.parseField(FMLDeobfuscatingRemapper.java:192)
	at net.minecraftforge.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.setup(FMLDeobfuscatingRemapper.java:161)
	at net.minecraftforge.fml.common.asm.FMLSanityChecker.injectData(FMLSanityChecker.java:187)
	at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:164)
	... 2 more
20:32:01.694
[java.lang.ThreadGroup:uncaughtException:1052]: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException
20:32:01.694
[java.lang.ThreadGroup:uncaughtException:1052]: 	at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:49)
20:32:01.695
[java.lang.ThreadGroup:uncaughtException:1052]: 	at java.lang.SecurityManager.checkExit(SecurityManager.java:761)
20:32:01.695
[java.lang.ThreadGroup:uncaughtException:1052]: 	at java.lang.Runtime.exit(Runtime.java:107)
20:32:01.695
[java.lang.ThreadGroup:uncaughtException:1052]: 	at java.lang.System.exit(System.java:971)
20:32:01.695
[java.lang.ThreadGroup:uncaughtException:1052]: 	at net.minecraft.launchwrapper.Launch.launch(Launch.java:138)
20:32:01.696
[java.lang.ThreadGroup:uncaughtException:1052]: 	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
20:32:01.788

Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=256m; support was removed in 8.0
20:32:01.788
Process crashed with exit code 1