Crash on world loading

I have mods running. Can someone please tell me what's crashing me? When I go to load the world it crashes.

---- Minecraft Crash Report ----
// I feel sad now

Time: 8/13/14 4:17 PM
Description: Rendering screen

java.lang.NoClassDefFoundError: micdoodle8/mods/galacticraft/core/entities/player/GCCorePlayerMP
at net.minecraft.server.integrated.IntegratedServer.<init>(IntegratedServer.java:54)
at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2001)
at net.minecraft.client.gui.GuiSelectWorld.func_74064_e(SourceFile:157)
at net.minecraft.client.gui.GuiWorldSlot.func_77213_a(SourceFile:210)
at net.minecraft.client.gui.GuiSlot.func_77211_a(GuiSlot.java:247)
at net.minecraft.client.gui.GuiSelectWorld.func_73863_a(SourceFile:183)
at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1036)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:946)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:838)
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: micdoodle8.mods.galacticraft.core.entities.player.GCCorePlayerMP
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 16 more
Caused by: java.lang.NullPointerException


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

-- Head --
Stacktrace:
at net.minecraft.server.integrated.IntegratedServer.<init>(IntegratedServer.java:54)
at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2001)
at net.minecraft.client.gui.GuiSelectWorld.func_74064_e(SourceFile:157)
at net.minecraft.client.gui.GuiWorldSlot.func_77213_a(SourceFile:210)
at net.minecraft.client.gui.GuiSlot.func_77211_a(GuiSlot.java:247)
at net.minecraft.client.gui.GuiSelectWorld.func_73863_a(SourceFile:183)

-- Screen render details --
Details:
Screen name: net.minecraft.client.gui.GuiMainMenu
Mouse location: Scaled: (235, 113). Absolute: (470, 253)
Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2
Stacktrace:
at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1036)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:946)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:838)
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)

-- System Details --
Details:
Minecraft Version: 1.6.4
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_55, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 237784232 bytes (226 MB) / 469700608 bytes (447 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
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 45 mods loaded, 45 mods active
mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FML{6.4.49.965} [Forge Mod Loader] (minecraftforge-9.11.1.965.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forge{9.11.1.965} [Minecraft Forge] (minecraftforge-9.11.1.965.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
AppliedEnergistics-Core{rv14.finale3} [AppliedEnergistics Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CodeChickenCore{0.9.0.9} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Micdoodlecore{} [Micdoodle8 Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
NotEnoughItems{1.6.1.9} [Not Enough Items] (NotEnoughItems 1.6.1.9.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FamiliarsAPI{1.6.4} [Familiars API] (Familiars) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
battlegear2{1.0.4.7} [Mine & Blade Battlegear 2 - Bullseye] (1.6.4-MB_Battlegear2-Bullseye-1.0.4.7.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
SC0_SpaceCore{0.6.2} [SpaceCore] ([1.6.4] SpaceCore 0.6.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
animalbikes{2} [AnimalBikes] (Animal bike) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
AppliedEnergistics{rv14.finale3} [Applied Energistics] (appeng-rv14-finale3-mc16x.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Backpack{1.28.37} [Backpack] (Backpack) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Core{4.2.2} [BuildCraft] (buildcraft-A-1.6.4-4.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Builders{4.2.2} [BC Builders] (buildcraft-A-1.6.4-4.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Energy{4.2.2} [BC Energy] (buildcraft-A-1.6.4-4.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Factory{4.2.2} [BC Factory] (buildcraft-A-1.6.4-4.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Transport{4.2.2} [BC Transport] (buildcraft-A-1.6.4-4.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Silicon{4.2.2} [BC Silicon] (buildcraft-A-1.6.4-4.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
animationwiz_bunchastuff{v1.6.4} [Buncha Stuff Mod] (Bunch of stuff) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ChickenChunks{1.3.3.4} [ChickenChunks] (ChickenChunks 1.3.3.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
DamageIndicatorsMod{2.9.2.4} [Damage Indicators] (Damage indicator) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
EnderStorage{1.4.3.6} [EnderStorage] (EnderStorage 1.4.3.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ExtraUtilities{1.0.3c} [Extra Utilities] (extrautils-1.0.3c.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FamiliarsDefaultMobPack{1.6.4} [Familiars DefaultMobPack] (Familiars) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FamiliarsExtendedFamPack{1.6.4} [Familiars ExtendedFamPack] (Familiars) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FamiliarsHerobrineFamPack{1.6.4} [Familiars HerobrineFamPack] (Familiars) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forestry{2.3.1.1} [Forestry for Minecraft] (forestry-A-2.3.1.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Hats{2.1.8} [Hats] (Hats) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
IronChest{5.4.1.677} [Iron Chest] (ironchest-universal-1.6.4-5.4.1.677.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Morph{0.3.0} [Morph] (morph) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
OreSpawn{164.17} [OreSpawn] (Orespawn) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
mod_SoManySwords{0.23} [mod_SoManySwords] (Somanyswords) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
telepads{1.6.4 v5} [Teleportation Pads] (TelePads 1.6.4 v5.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Thaumcraft{4.1.0g} [Thaumcraft] (Thaumcraft4.1.0g.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Translocator{1.1.0.15} [Translocator] (Translocator 1.1.0.15.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
TwilightForest{1.20.5} [The Twilight Forest] (twilightforest-1.6.4-1.20.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
mod_ZanMinimap{0.9.4} [Zan's Minimap] (Voxel) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Waila{1.5.2a} [Waila] (Waila) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ForgeMultipart{1.0.0.244} [Forge Multipart] (ForgeMultipart-universal-1.6.4-1.0.0.244.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
WR-CBE|Core{1.4.0.7} [WR-CBE Core] (WR-CBE 1.4.0.7.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
WR-CBE|Addons{1.4.0.7} [WR-CBE Addons] (WR-CBE 1.4.0.7.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
WR-CBE|Logic{1.4.0.7} [WR-CBE Logic] (WR-CBE 1.4.0.7.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
McMultipart{1.0.0.244} [Minecraft Multipart Plugin] (ForgeMultipart-universal-1.6.4-1.0.0.244.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ForgeMicroblock{1.0.0.244} [Forge Microblocks] (ForgeMultipart-universal-1.6.4-1.0.0.244.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Ender-Quarry Relfection Code:: No problems here
Launched Version: 1.6.4-Forge9.11.1.965
LWJGL: 2.9.0
OpenGL: GeForce GTX 560/PCIe/SSE2 GL version 4.4.0, NVIDIA Corporation
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Pack: Desteria.zip
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null