[00:11:00] [Server thread/ERROR] [net.minecraft.server.MinecraftServer]: Encountered an unexpected exception
java.lang.NoClassDefFoundError: net/minecraft/client/Minecraft
	at com.slatebit.paintball.common.Paintball.<clinit>(Paintball.java:53) ~[Paintball.class:?]
	at java.lang.Class.forName0(Native Method) ~[?:1.7.0_51]
	at java.lang.Class.forName(Unknown Source) ~[?:1.7.0_51]
	at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:420) ~[FMLModContainer.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_51]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_51]
	at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74) ~[minecraft_server.1.7.2.jar:?]
	at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47) ~[minecraft_server.1.7.2.jar:?]
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314) ~[minecraft_server.1.7.2.jar:?]
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296) ~[minecraft_server.1.7.2.jar:?]
	at com.google.common.eventbus.EventBus.post(EventBus.java:267) ~[minecraft_server.1.7.2.jar:?]
	at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:209) ~[LoadController.class:?]
	at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:188) ~[LoadController.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_51]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_51]
	at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74) ~[minecraft_server.1.7.2.jar:?]
	at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47) ~[minecraft_server.1.7.2.jar:?]
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314) ~[minecraft_server.1.7.2.jar:?]
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296) ~[minecraft_server.1.7.2.jar:?]
	at com.google.common.eventbus.EventBus.post(EventBus.java:267) ~[minecraft_server.1.7.2.jar:?]
	at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:119) ~[LoadController.class:?]
	at cpw.mods.fml.common.Loader.loadMods(Loader.java:484) ~[Loader.class:?]
	at cpw.mods.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:79) ~[FMLServerHandler.class:?]
	at cpw.mods.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:296) ~[FMLCommonHandler.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:115) ~[lj.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:706) [kx.class:?]
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.Minecraft
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:188) ~[launchwrapper-1.9.jar:?]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_51]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_51]
	... 31 more
Caused by: java.lang.RuntimeException: Attempted to load class azd for invalid side SERVER
	at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:50) ~[forge-1.7.2-10.12.0.1046-universal.jar:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:276) ~[launchwrapper-1.9.jar:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:174) ~[launchwrapper-1.9.jar:?]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_51]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_51]
	... 31 more