Server crash, unknown error

---- Minecraft Crash Report ----
// Ouch. That hurt :(

Time: 08/06/13 19:34
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:425)
	at sun.reflect.GeneratedMethodAccessor2.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:314)
	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:186)
	at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:166)
	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:314)
	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:103)
	at cpw.mods.fml.common.Loader.loadMods(Loader.java:504)
	at cpw.mods.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:85)
	at cpw.mods.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:350)
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:69)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:430)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.renderer.entity.Render
	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:238)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 29 more
Caused by: java.lang.NullPointerException
	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:227)
	... 31 more


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

-- System Details --
Details:
	Minecraft Version: 1.5.2
	Operating System: Windows 8 (amd64) version 6.2
	Java Version: 1.7.0_09, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 721058176 bytes (687 MB) / 1029046272 bytes (981 MB) up to 1029046272 bytes (981 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
	FML: MCP v7.51 FML v5.2.21.725 Minecraft Forge 7.8.0.725 42 mods loaded, 42 mods active
	mcp{7.44} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
	FML{5.2.21.725} [Forge Mod Loader] (coremods) Unloaded->Constructed
	Forge{7.8.0.725} [Minecraft Forge] (coremods) Unloaded->Constructed
	CodeChickenCore{0.8.6.15} [CodeChicken Core] (coremods) Unloaded->Constructed
	CoFHCore{1.5.2.2} [CoFH Core] (coremods) Unloaded->Constructed
	NotEnoughItems{1.5.2.25} [Not Enough Items] (coremods) Unloaded->Constructed
	CoFHNetwork{1.5.2.2} [CoFHNetwork] (CoFHCore-1.5.2.2.jar) Unloaded->Constructed
	CoFHWorld{1.5.2.2} [CoFHWorld] (CoFHCore-1.5.2.2.jar) Unloaded->Constructed
	BuildCraft|Core{3.6.0} [BuildCraft] (buildcraft-A-3.6.0.jar) Unloaded->Constructed
	BuildCraft|Transport{3.6.0} [BC Transport] (buildcraft-A-3.6.0.jar) Unloaded->Constructed
	BuildCraft|Silicon{3.6.0} [BC Silicon] (buildcraft-A-3.6.0.jar) Unloaded->Constructed
	ThermalExpansion{2.4.3.0} [Thermal Expansion] (ThermalExpansion-2.4.3.0.jar) Unloaded->Constructed
	IC2{1.115.876} [IndustrialCraft 2] (industrialcraft-2_1.115.876.jar) Unloaded->Constructed
	AppliedEnergistics{rv.10.n} [Applied Energistics] (appeng-rv10-n.zip) Unloaded->Constructed
	ArsMagica{5.52.003} [Ars Magica] (ArsMagica_5.52.003.zip) Unloaded->Constructed
	BiomesOPlenty{0.5.3} [Biomes O' Plenty] (Biomes-O-Plenty-0.5.3.zip) Unloaded->Constructed
	BuildCraft|Builders{3.6.0} [BC Builders] (buildcraft-A-3.6.0.jar) Unloaded->Constructed
	BuildCraft|Energy{3.6.0} [BC Energy] (buildcraft-A-3.6.0.jar) Unloaded->Constructed
	BuildCraft|Factory{3.6.0} [BC Factory] (buildcraft-A-3.6.0.jar) Unloaded->Constructed
	ChickenChunks{1.3.2.11} [ChickenChunks] (ChickenChunks 1.3.2.11.jar) Unloaded->Constructed
	ComputerCraft{1.53} [ComputerCraft] (ComputerCraft1.53.zip) Unloaded->Constructed
	CCTurtle{1.53} [ComputerCraft Turtles] (ComputerCraft1.53.zip) Unloaded->Constructed
	EE3{pre1h (build 16)} [Equivalent Exchange 3] (ee3-universal-pre1h-16.jar) Unloaded->Constructed
	ExtrabiomesXL{3.13.1} [ExtrabiomesXL] (ExtrabiomesXL-universal-1.5.2-3.13.1.jar) Unloaded->Constructed
	Forestry{2.2.6.3} [Forestry for Minecraft] (forestry-A-2.2.6.3.jar) Unloaded->Constructed
	iChunUtil{1.0.1} [iChunUtil] (iChunUtil1.0.1.zip) Unloaded->Constructed
	GraviGun{1.5.1} [GraviGun] (GravityGun1.5.1.zip) Unloaded->Constructed
	Hats{1.3.2} [Hats] (Hats1.3.2.zip) Unloaded->Constructed
	MiscPeripherals{3.2} [MiscPeripherals] (miscperipherals-3.2.jar) Unloaded->Constructed
	MyPeople{1.1.1} [MyPeople] (MyPeople v1.1.4 MC1.5.2.zip) Unloaded
	Natura{1.5.1_2.0.21} [Natura] (Natura_2.0.21 (1).jar) Unloaded
	NEIAddons{1.6.r10} [NEI Addons] (neiaddons-1.5.2-1.6.r10.jar) Unloaded
	NEIAddons|AE{1.6.r10} [NEI Addons: Applied Energistics] (neiaddons-1.5.2-1.6.r10.jar) Unloaded
	NEIAddons|CraftingTables{1.6.r10} [NEI Addons: Crafting Tables] (neiaddons-1.5.2-1.6.r10.jar) Unloaded
	NEIAddons|ExtraBees{1.6.r10} [NEI Addons: Extra Bees] (neiaddons-1.5.2-1.6.r10.jar) Unloaded
	NEIAddons|Forestry{1.6.r10} [NEI Addons: Forestry] (neiaddons-1.5.2-1.6.r10.jar) Unloaded
	NEIPlugins{1.0.9.2} [NEI Plugins] (NEIPlugins-1.0.9.2.jar) Unloaded
	PortalGun{1.5.2} [PortalGun] (PortalGun1.5.2.zip) Unloaded
	TConstruct{1.5.1_1.3.3.14} [Tinkers' Construct] (TConstruct_1.3.3.15.jar) Unloaded
	Thaumcraft{3.0.5e} [Thaumcraft] (Thaumcraft3.0.5e.zip) Unloaded
	IDResolver{1.5.1.0} [ID Resolver] (IDResolver-1.5.1.0.jar) Unloaded
	OmniTools{3.1.4.0} [OmniTools] (OmniTools-3.1.4.0.jar) Unloaded
	Profiler Position: N/A (disabled)
	Is Modded: Definitely; Server brand changed to 'fml,forge'
	Type: Dedicated Server (map_server.txt)