net.minecraft.util.ReportedException: Starting integrated server
	at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1168) ~[EntityRenderer.class:?]
	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1056) ~[Minecraft.class:?]
	at net.minecraft.client.Minecraft.run(Minecraft.java:951) [Minecraft.class:?]
	at net.minecraft.client.main.Main.main(Main.java:164) [Main.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_51]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_51]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_51]
	at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_51]
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.11.jar:?]
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
	at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source) [start/:?]
	at GradleStart.main(Unknown Source) [start/:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_51]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_51]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_51]
	at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_51]
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140) [idea_rt.jar:?]
Caused by: java.lang.NoClassDefFoundError: net/minecraft/command/server/CommandBroadcast
	at net.minecraft.command.ServerCommandManager.<init>(ServerCommandManager.java:61) ~[ServerCommandManager.class:?]
	at net.minecraft.server.MinecraftServer.<init>(MinecraftServer.java:168) ~[MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.<init>(IntegratedServer.java:46) ~[IntegratedServer.class:?]
	at net.minecraft.client.Minecraft.launchIntegratedServer(Minecraft.java:2174) ~[Minecraft.class:?]
	at cpw.mods.fml.client.FMLClientHandler.tryLoadExistingWorld(FMLClientHandler.java:669) ~[FMLClientHandler.class:?]
	at net.minecraft.client.gui.GuiSelectWorld.func_146615_e(GuiSelectWorld.java:186) ~[GuiSelectWorld.class:?]
	at net.minecraft.client.gui.GuiSelectWorld$List.elementClicked(GuiSelectWorld.java:266) ~[GuiSelectWorld$List.class:?]
	at net.minecraft.client.gui.GuiSlot.drawScreen(GuiSlot.java:251) ~[GuiSlot.class:?]
	at net.minecraft.client.gui.GuiSelectWorld.drawScreen(GuiSelectWorld.java:222) ~[GuiSelectWorld.class:?]
	at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1137) ~[EntityRenderer.class:?]
	... 16 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.command.server.CommandBroadcast
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.11.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425) ~[?:1.7.0_51]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[?:1.7.0_51]
	at net.minecraft.command.ServerCommandManager.<init>(ServerCommandManager.java:61) ~[ServerCommandManager.class:?]
	at net.minecraft.server.MinecraftServer.<init>(MinecraftServer.java:168) ~[MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.<init>(IntegratedServer.java:46) ~[IntegratedServer.class:?]
	at net.minecraft.client.Minecraft.launchIntegratedServer(Minecraft.java:2174) ~[Minecraft.class:?]
	at cpw.mods.fml.client.FMLClientHandler.tryLoadExistingWorld(FMLClientHandler.java:669) ~[FMLClientHandler.class:?]
	at net.minecraft.client.gui.GuiSelectWorld.func_146615_e(GuiSelectWorld.java:186) ~[GuiSelectWorld.class:?]
	at net.minecraft.client.gui.GuiSelectWorld$List.elementClicked(GuiSelectWorld.java:266) ~[GuiSelectWorld$List.class:?]
	at net.minecraft.client.gui.GuiSlot.drawScreen(GuiSlot.java:251) ~[GuiSlot.class:?]
	at net.minecraft.client.gui.GuiSelectWorld.drawScreen(GuiSelectWorld.java:222) ~[GuiSelectWorld.class:?]
	at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1137) ~[EntityRenderer.class:?]
	... 16 more
Caused by: java.lang.ClassFormatError: Class name contains illegal character '.' in descriptor in class file net/minecraft/command/server/CommandBroadcast
	at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.7.0_51]
	at java.lang.ClassLoader.defineClass(ClassLoader.java:800) ~[?:1.7.0_51]
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.7.0_51]
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.11.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425) ~[?:1.7.0_51]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[?:1.7.0_51]
	at net.minecraft.command.ServerCommandManager.<init>(ServerCommandManager.java:61) ~[ServerCommandManager.class:?]
	at net.minecraft.server.MinecraftServer.<init>(MinecraftServer.java:168) ~[MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.<init>(IntegratedServer.java:46) ~[IntegratedServer.class:?]
	at net.minecraft.client.Minecraft.launchIntegratedServer(Minecraft.java:2174) ~[Minecraft.class:?]
	at cpw.mods.fml.client.FMLClientHandler.tryLoadExistingWorld(FMLClientHandler.java:669) ~[FMLClientHandler.class:?]
	at net.minecraft.client.gui.GuiSelectWorld.func_146615_e(GuiSelectWorld.java:186) ~[GuiSelectWorld.class:?]
	at net.minecraft.client.gui.GuiSelectWorld$List.elementClicked(GuiSelectWorld.java:266) ~[GuiSelectWorld$List.class:?]
	at net.minecraft.client.gui.GuiSlot.drawScreen(GuiSlot.java:251) ~[GuiSlot.class:?]
	at net.minecraft.client.gui.GuiSelectWorld.drawScreen(GuiSelectWorld.java:222) ~[GuiSelectWorld.class:?]
	at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1137) ~[EntityRenderer.class:?]
	... 16 more