Minecraft Forge Server CRASH

---- Minecraft Crash Report ----
// Quite honestly, I wouldn't worry myself about that.

Time: 3/17/15 5:50 PM
Description: Exception in server tick loop

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: net/minecraft/client/particle/EntityFX
	at cpw.mods.fml.common.LoadController.transition(LoadController.java:162)
	at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:515)
	at cpw.mods.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:88)
	at cpw.mods.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:314)
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:117)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387)
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)
Caused by: java.lang.NoClassDefFoundError: net/minecraft/client/particle/EntityFX
	at com.Chimneys.Chimneys.preInit(Chimneys.java:45)
	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 cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:513)
	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.EventSubscriber.handleEvent(EventSubscriber.java:74)
	at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
	at com.google.common.eventbus.EventBus.post(EventBus.java:275)
	at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)
	at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)
	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.EventSubscriber.handleEvent(EventSubscriber.java:74)
	at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
	at com.google.common.eventbus.EventBus.post(EventBus.java:275)
	at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:118)
	at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:513)
	... 5 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.particle.EntityFX
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 33 more
Caused by: java.lang.NullPointerException
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
	... 35 more


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

-- System Details --
Details:
	Minecraft Version: 1.7.10
	Operating System: Windows 8.1 (amd64) version 6.3
	Java Version: 1.8.0_40, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1053673952 bytes (1004 MB) / 1104674816 bytes (1053 MB) up to 1908932608 bytes (1820 MB)
	JVM Flags: 2 total; -Xmx2G -Xms1G
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	FML: MCP v9.05 FML v7.10.85.1230 Minecraft Forge 10.13.2.1230 4 mods loaded, 4 mods active
	mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized
	FML{7.10.85.1230} [Forge Mod Loader] (forge-1.7.10-10.13.2.1230-universal.jar) Unloaded->Constructed->Pre-initialized
	Forge{10.13.2.1230} [Minecraft Forge] (forge-1.7.10-10.13.2.1230-universal.jar) Unloaded->Constructed->Pre-initialized
	Chimneys{1.7.2} [Chimneys] ([1.7.10]Chimneys.jar) Unloaded->Constructed->Errored
	Profiler Position: N/A (disabled)
	Is Modded: Definitely; Server brand changed to 'fml,forge'
	Type: Dedicated Server (map_server.txt)