2016-08-15 17:22:03,173 WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream [17:22:03] [main/INFO]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker [17:22:03] [main/ERROR]: Unable to launch java.lang.ClassNotFoundException: net.minecraftforge.fml.common.launcher.FMLTweaker at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_101] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_101] at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[?:1.8.0_101] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_101] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:106) ~[launchwrapper-1.12.jar:?] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_101] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_101] at java.lang.Class.forName0(Native Method) ~[?:1.8.0_101] at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_101] at net.minecraft.launchwrapper.Launch.launch(Launch.java:98) [launchwrapper-1.12.jar:?] at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?] Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=256m; support was removed in 8.0