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java.lang.NoClassDefFoundError: modconfig/IConfigCategory
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:249)
at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:420)
at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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.loadMods(Loader.java:492)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:204)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:480)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:867)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: modconfig.IConfigCategory
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 34 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 java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:249)
at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:420)
at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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.loadMods(Loader.java:492)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:204)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:480)

-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:867)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Mac OS X (x86_64) version 10.10.1
Java Version: 1.6.0_65, Apple Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 85926576 bytes (81 MB) / 260354048 bytes (248 MB) up to 2134114304 bytes (2035 MB)
JVM Flags: 5 total; -Xmx2G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
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 v7.10.85.1240 Minecraft Forge 10.13.2.1240 Optifine OptiFine_1.7.10_HD_U_A4 40 mods loaded, 40 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
FML{7.10.85.1240} [Forge Mod Loader] (forge-1.7.10-10.13.2.1240.jar) Unloaded->Constructed
Forge{10.13.2.1240} [Minecraft Forge] (forge-1.7.10-10.13.2.1240.jar) Unloaded->Constructed
CodeChickenCore{1.0.4.29} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed
NotEnoughItems{1.0.3.67} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.3.67-universal.jar) Unloaded->Constructed
OpenEye{0.6} [OpenEye] (OpenEye-0.6-1.7.10.jar) Unloaded->Constructed
RenderPlayerAPI{1.0} [Render Player API] (minecraft.jar) Unloaded->Constructed
FamiliarsAPI{1.7.10} [Familiars API] (FamiliarsAPI-1.7.10.jar) Unloaded->Constructed
lucky{5.1.0} [Lucky Block] ([1-7-10]_Lucky_Block_v5-1-0.jar) Unloaded->Constructed
DamageIndicatorsMod{3.2.0} [Damage Indicators] ([1.7.10]DamageIndicatorsMod-3.2.0.jar) Unloaded->Constructed
bspkrsCore{6.15} [bspkrsCore] ([1.7.10]bspkrsCore-universal-6.15.jar) Unloaded->Constructed
Treecapitator{1.7.10} [Treecapitator] ([1.7.10]Treecapitator-universal-2.0.4.jar) Unloaded->Constructed
Backpack{2.0.1} [Backpack] (backpack-2.0.1-1.7.x.jar) Unloaded->Constructed
BattleTowers{1.4.9} [Battle Towers] (BattleTowers-1.7.10.jar) Unloaded->Constructed
examplemod{1.0} [Example Mod] (CoroUtil-1.1.1.jar) Unloaded->Constructed
CustomSpawner{3.3.0} [DrZhark's CustomSpawner] (CustomMobSpawner 3) Unloaded->Constructed
MoCreatures{6.3.0} [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod v6) Unloaded->Constructed
dungeonpack{1.7.10-1.0} [Dungeon Pack] (dungeonpack-1.7.10-1.0.jar) Unloaded->Constructed
enhancedbiomes{2.4.1 for MC 1.7.10} [Enhanced Biomes] (Enhanced Biomes 2.5 for MC 1.7.10.jar) Unloaded->Constructed
explosives_pp{1.5a} [Explosives++] (ExplosivesPP-1.7.10-1.6a.jar) Unloaded->Constructed
extraachievements{2.1.1} [Extra Achievements] (Extra Achievements 2.1.1.jar) Unloaded->Constructed
FinderCompass{1.7.10} [Finder Compass] (FinderCompass-1.7.10.jar) Unloaded->Constructed
FoodPlus{3.2rS} [Food Plus] (FoodPlus-1.7.2-3.2rS.jar) Unloaded->Constructed
GraveStone{2.10.2} [GraveStone] (GraveStone 2.10.2.jar) Unloaded->Constructed
iChunUtil{4.1.2} [iChunUtil] (iChunUtil-4.1.2.jar) Unloaded->Constructed
Hats{4.0.1} [Hats] (Hats-4.0.1.jar) Unloaded->Constructed
LotsOfFood{1.7.10} [Lots of Food] (Lots of Food-1.7.10.jar) Unloaded->Constructed
more{4.0} [M-Ore mod] (M-Ore 4.1.jar) Unloaded->Constructed
Morph{0.9.1} [Morph] (Morph-Beta-0.9.1.jar) Unloaded->Constructed
movillages{1.2.1} [Mo' Villages] (MoVillages-1.3.1.jar) Unloaded->Constructed
cfm{3.4.2} [ß9MrCrayfish's Furniture Mod] (MrCrayfishFurnitureModv3.4.2(1.7.10).jar) Unloaded->Constructed
MSM3{3.0.0d} [More Swords 3] (MSM-SNAP-3.0.0e-For-MC-1.7.10.jar) Unloaded->Constructed
AS_Ruins{14.4} [Ruins Spawning System] (Ruins-1.7.10.jar) Unloaded->Constructed
Scenter{1.7.10-3.2.0} [Scenter] (scenter-1.7.10-3.2.0.jar) Unloaded->Constructed
stillhungry{1.7.2-2.1.0} [Still Hungry!] (stillhungry-1.7.2-2.1.1.jar) Unloaded->Constructed
AS_UpdateCheck{1.1.6} [AtomicStryker Update Check Mod] (UpdateCheckerMod-1.7.10.jar) Unloaded->Constructed
UsefulFood{1.5.0} [UsefulFood] (UsefulFood-1.5.0.jar) Unloaded->Constructed
VersionChecker{1.1.7} [Version Checker] (VersionChecker-1.1.7.jar) Unloaded->Constructed
weather2{v2.3.6} [weather2] (Weather-2.3.7.jar) Unloaded
YALSM{2.1.3} [Yet Another Leather Smelting Mod] (yalsm-2.1.3.jar) Unloaded
Launched Version: 1.7.10-Forge10.13.2.1240
LWJGL: 2.9.1
OpenGL: Intel HD Graphics 4000 OpenGL Engine GL version 2.1 INTEL-10.0.86, Intel Inc.
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)

Possibly Weather and YALSM? I'm no pro.