[1.7.2] [Solved]Overlay/GUI crashes server but works on singleplayer

---- Minecraft Crash Report ----

// Don't be sad. I'll do better next time, I promise!

Time: 7/9/14 7:11 PM

Description: Exception in server tick loop

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: com/sirniloc/sirs/OverlayCooldown

at cpw.mods.fml.common.LoadController.transition(LoadController.java:162)

at cpw.mods.fml.common.Loader.initializeMods(Loader.java:694)

at cpw.mods.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:97)

at cpw.mods.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:318)

at net.minecraft.server.dedicated.DedicatedServer.startServer(DedicatedServer.java:190)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:442)

at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:746)

Caused by: java.lang.NoClassDefFoundError: com/sirniloc/sirs/OverlayCooldown

at com.sirniloc.sirs.SirsMain.postInit(SirsMain.java:1411)

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.EventHandler.handleEvent(EventHandler.java:74)

at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47)

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: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.EventHandler.handleEvent(EventHandler.java:74)

at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47)

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:118)

at cpw.mods.fml.common.Loader.initializeMods(Loader.java:693)

... 5 more

Caused by: java.lang.ClassNotFoundException: com.sirniloc.sirs.OverlayCooldown

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:188)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

... 33 more

Caused by: java.lang.NoClassDefFoundError: net/minecraft/client/gui/GuiIngame

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(Unknown Source)

at java.security.SecureClassLoader.defineClass(Unknown Source)

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:180)

... 35 more

Caused by: java.lang.ClassNotFoundException: net.minecraft.client.gui.GuiIngame

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:99)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

... 39 more

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

---------------------------------------------------------------------------------------

-- System Details --

Details:

Minecraft Version: 1.7.2

Operating System: Windows 8.1 (amd64) version 6.3

Java Version: 1.7.0_55, Oracle Corporation

Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation

Memory: 966267736 bytes (921 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)

JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M

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 v9.03 FML v7.2.205.1101 Minecraft Forge 10.12.1.1101 4 mods loaded, 4 mods active

mcp{9.03} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized

FML{7.2.205.1101} [Forge Mod Loader] (forgeSrc-1.7.2-10.12.1.1101.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized

Forge{10.12.1.1101} [Minecraft Forge] (forgeSrc-1.7.2-10.12.1.1101.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized

sirsmod{27.0} [sir's Mod] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Errored

Profiler Position: N/A (disabled)

Is Modded: Definitely; Server brand changed to 'fml,forge'

Type: Dedicated Server (map_server.txt)