Exception in thread "main" java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source)
	at GradleStartServer.main(Unknown Source)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
Caused by: java.lang.ClassCastException: sun.misc.Launcher$AppClassLoader cannot be cast to net.minecraft.launchwrapper.LaunchClassLoader
	at net.minecraftforge.fml.common.ModClassLoader.<init>(ModClassLoader.java:48)
	at net.minecraftforge.fml.common.Loader.<init>(Loader.java:191)
	at net.minecraftforge.fml.common.Loader.instance(Loader.java:170)
	at net.minecraftforge.fml.common.registry.GameData.addPrefix(GameData.java:899)
	at net.minecraftforge.fml.common.registry.GameData.register(GameData.java:722)
	at net.minecraftforge.fml.common.registry.FMLControlledNamespacedRegistry.register(FMLControlledNamespacedRegistry.java:137)
	at net.minecraft.block.Block.registerBlock(Block.java:2551)
	at net.minecraft.block.Block.registerBlocks(Block.java:2292)
	at net.minecraft.init.Bootstrap.register(Bootstrap.java:643)
	at net.minecraft.server.MinecraftServer.main(MinecraftServer.java:1597)
	... 11 more