Crash

---- Minecraft Crash Report ----
// Don't do that.

Time: 22.09.13 07:31
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: net/minecraft/client/renderer/entity/Render
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Unknown Source)
	at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:457)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
	at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
	at com.google.common.eventbus.EventBus.post(EventBus.java:267)
	at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:194)
	at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:174)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
	at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
	at com.google.common.eventbus.EventBus.post(EventBus.java:267)
	at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:105)
	at cpw.mods.fml.common.Loader.loadMods(Loader.java:510)
	at cpw.mods.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:86)
	at cpw.mods.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:350)
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:92)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:596)
	at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.renderer.entity.Render
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:179)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 30 more
Caused by: java.lang.RuntimeException: Attempted to load class bgj for invalid side SERVER
	at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:50)
	at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:267)
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:165)
	... 32 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 1.6.2
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_40, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 772829920 bytes (737 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xmx1024M -Xms1024M
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: FML and Forge are installed
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	CraftBukkit Information:
   Running:
   Failed to handle CraftCrashReport:
java.lang.NullPointerException
	at org.bukkit.Bukkit.getName(Bukkit.java:72)
	at org.bukkit.craftbukkit.v1_6_R2.CraftCrashReport.call(CraftCrashReport.java:19)
	at net.minecraft.crash.CrashReportCategory.func_71500_a(CrashReportCategory.java:106)
	at net.minecraft.crash.CrashReport.func_71504_g(CrashReport.java:58)
	at net.minecraft.crash.CrashReport.<init>(CrashReport.java:40)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:655)
	at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)

	FML: MCP v8.04 FML v6.2.52.836 Minecraft Forge 9.10.0.836 11 mods loaded, 11 mods active
	mcp{8.04} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
	FML{6.2.52.836} [Forge Mod Loader] (coremods) Unloaded->Constructed
	Forge{9.10.0.836} [Minecraft Forge] (coremods) Unloaded->Constructed
	battlegear2{1.0.2} [Mine & Blade Battlegear 2 - Warcry] (Battlegear.jar) Unloaded->Constructed
	craftguide{1.5.2} [CraftGuide] (CraftGuide.zip) Unloaded->Constructed
	CustomSpawner{2.3.1} [DrZhark's CustomSpawner] (CustomMobSpawner .zip) Unloaded->Constructed
	MoCreatures{6.0.1} [DrZhark's Mo'Creatures Mod] (DrZhark's Mo'Creatures Mod.zip) Unloaded->Constructed
	ExtrabiomesXL{3.14.1} [ExtrabiomesXL] (ExtrabiomesXL.jar) Unloaded->Constructed
	FanAPI{1.6.2 Alpha v3} [Fantasy API] (FanAPI.zip) Unloaded
	AS_Ruins{10.6} [Ruins Spawning System] (Ruins.zip) Unloaded
	AS_UpdateCheck{1.1.0} [AtomicStryker Update Check Mod] (UpdateCheckerMod.zip) Unloaded
	Profiler Position: N/A (disabled)
	Is Modded: Definitely; Server brand changed to 'mcpc,craftbukkit,fml,forge'
	Type: Dedicated Server (map_server.txt)