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FTB Unleashed won't start up

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  • Members
  • Pip
  • 1 posts
  • Location:US
  • Modpack:FTB Unleashed

When I start up FTB Unleashed, it gets to the Minecraft launch screen, and whenever I click play it just closes and doesn't open up the game. Anyone know a fix to this?



Game Output---


Jul 03, 2016 10:03:44 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Using tweak class name net.minecraft.launchwrapper.VanillaTweaker
Jul 03, 2016 10:03:45 PM net.minecraft.launchwrapper.LogWrapper log
SEVERE: Unable to launch
java.lang.ClassNotFoundException: net.minecraft.client.Minecraft
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:179)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:53)
at net.minecraft.launchwrapper.Launch.main(Launch.java:18)
Caused by: java.lang.RuntimeException: java.lang.SecurityException: class "bkf"'s signer information does not match signer information of other classes in the same package
at org.objectweb.asm.ClassWriter.getCommonSuperClass(Unknown Source)
at org.objectweb.asm.ClassWriter.a(Unknown Source)
at org.objectweb.asm.Frame.a(Unknown Source)
at org.objectweb.asm.Frame.a(Unknown Source)
at org.objectweb.asm.MethodWriter.visitMaxs(Unknown Source)
at org.objectweb.asm.tree.MethodNode.accept(Unknown Source)
at org.objectweb.asm.tree.MethodNode.accept(Unknown Source)
at org.objectweb.asm.tree.ClassNode.accept(Unknown Source)
at net.minecraft.launchwrapper.injector.VanillaTweakInjector.transform(VanillaTweakInjector.java:85)
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:267)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:165)
... 6 more

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