Help with forge mods

Hi, I am trying to make a personal minecraft modpack, but when I try to run it, forge always crashes no matter what.
Mods

Crash report
---- Minecraft Crash Report ----
// Why did you do that?

Time: 6/9/14 6:50 PM
Description: There was a severe problem during mod loading that has caused the game to fail

cpw.mods.fml.common.LoaderException: java.lang.ClassNotFoundException: net.PartyMod.Common.Common
at cpw.mods.fml.common.LoadController.transition(LoadController.java:156)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:521)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:183)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:473)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:808)
at net.minecraft.client.main.Main.main(SourceFile:101)
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 net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
Caused by: java.lang.ClassNotFoundException: net.PartyMod.Common.Common
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at cpw.mods.fml.common.ModClassLoader.loadClass(ModClassLoader.java:61)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:462)
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:201)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:181)
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:112)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:511)
... 10 more
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:178)
... 38 more


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

-- System Details --
Details:
Minecraft Version: 1.6.4
Operating System: Windows 8 (x86) version 6.2
Java Version: 1.7.0_60, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
Memory: 65195248 bytes (62 MB) / 208941056 bytes (199 MB) up to 518979584 bytes (494 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
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 v8.11 FML v6.4.49.965 Minecraft Forge 9.11.1.965 Optifine OptiFine_1.6.4_HD_U_C6 16 mods loaded, 16 mods active
mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
FML{6.4.49.965} [Forge Mod Loader] (minecraftforge-9.11.1.965.jar) Unloaded->Constructed
Forge{9.11.1.965} [Minecraft Forge] (minecraftforge-9.11.1.965.jar) Unloaded->Constructed
CustomSteve{0.8.9} [§2CustomSteve] (minecraft.jar) Unloaded->Constructed
Micdoodlecore{} [Micdoodle8 Core] (minecraft.jar) Unloaded->Constructed
DamageIndicatorsMod{2.9.2.3} [Damage Indicators] (1.6.4 DamageIndicatorsv2.9.2.3.zip) Unloaded->Constructed
MoreWolvesMod{1.6.2} [MoreWolvesMod] ([1.6.4]MoreWolvesMod.zip) Unloaded->Constructed
ComputerCraft{1.58} [ComputerCraft] (ComputerCraft1.58.zip) Unloaded->Constructed
CCTurtle{1.58} [ComputerCraft Turtles] (ComputerCraft1.58.zip) Unloaded->Constructed
wonderfulwands{1.1.0} [Cyano's Wonderful Wands] (CyanosWonderfulWands-1.1.0.zip) Unloaded->Constructed
ftfloocraft{0.2, for Minecraft 1.6.4} [Floocraft] (Floocraft v0.2_r3 for 1.6.4.zip) Unloaded->Constructed
GalacticraftCore{2.0.12} [Galacticraft Core] (Galacticraft-1.6.4-2.0.12.1010.jar) Unloaded->Constructed
GalacticraftMars{2.0.12} [Galacticraft Mars] (Galacticraft-Planets-1.6.4-2.0.12.1010.jar) Unloaded->Constructed
PartyMod{Beta-V1.2} [Party Mod] (PartyMod-Beta-V1.2.zip) Unloaded->Errored
secretroomsmod{4.6.2} [The SecretRoomsMod] (SecretRoomsMod-universal-1.6.4-4.6.2.323.jar) Unloaded->Constructed
SecurityCraft{v1.4.1} [SecurityCraft] (SecurityCraft_v1.4.1_for_1.6.4.zip) Unloaded->Constructed


Please help, Thanks