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I keep getting this error and I don't know why.
---- Minecraft Crash Report ----
// Why did you do that?

Time: 6/30/14 7:00 PM
Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
at clashsoft.cslib.minecraft.CSLib.serverStarted(CSLib.java:90)
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.GeneratedMethodAccessor3.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.serverStarted(Loader.java:751)
at cpw.mods.fml.common.FMLCommonHandler.handleServerStarted(FMLCommonHandler.java:283)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:376)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:669)


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: 760083512 bytes (724 MB) / 1510998016 bytes (1441 MB) up to 3817865216 bytes (3641 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4G
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 15, tallocated: 95
FML: MCP v9.03 FML v7.2.211.1121 Minecraft Forge 10.12.2.1121 Optifine OptiFine_1.7.2_HD_U_D1 35 mods loaded, 35 mods active
mcp{9.03} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{7.2.211.1121} [Forge Mod Loader] (forge-1.7.2-10.12.2.1121.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.12.2.1121} [Minecraft Forge] (forge-1.7.2-10.12.2.1121.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CodeChickenCore{1.0.0} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NotEnoughItems{1.0.1} [Not Enough Items] (NotEnoughItems-1.7.2-1.0.1-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
PlayerAPI{1.4} [Player API] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
SmartCore{1.0} [Smart Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
TConstruct-Preloader{0.1.1} [Tinkers Corestruct] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
lucky{5.0.0} [Lucky Block] ([1-7-2]_Lucky_Block_v5-0-0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CraftableAnimals{2.4.2.1} [Craftable Animals] ([1.7.2]CraftableAnimals v2.4.2.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DamageIndicatorsMod{3.1.2} [Damage Indicators] ([1.7.2]DamageIndicatorsMod-3.1.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DoggyTalents{v1.6.0a} [Doggy Talents] ([1.7] Doggy Talents - v1.6.0a.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
AnimationAPI{1.2.1} [AnimationAPI] (AnimationAPI-1.7.2-1.2.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Backpack{2.0.0-pre1} [Backpack] (Backpacks-Mod-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Core{6.0.16} [BuildCraft] (buildcraft-6.0.16 (1).jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Builders{6.0.16} [BC Builders] (buildcraft-6.0.16 (1).jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Energy{6.0.16} [BC Energy] (buildcraft-6.0.16 (1).jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Factory{6.0.16} [BC Factory] (buildcraft-6.0.16 (1).jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Transport{6.0.16} [BC Transport] (buildcraft-6.0.16 (1).jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Silicon{6.0.16} [BC Silicon] (buildcraft-6.0.16 (1).jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
cslib{1.7.2-1.0.0} [Clashsoft Lib] (Clashsoft Lib 1.7.2-1.0.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Errored
DLDungeonsJBG{1.2.11} [Doomlike Dungeons] (DoomlikeDungeons-1.2.11-MC1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
eplus{1.7.2-2.0.3.1} [Enchanting Plus] (EnchantingPlus-1.7.2-2.0.3.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
eternisles{Alpha 1.5} [Eternal Isles] (eternisles-1.7.2 - 1.0.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Mantle{1.7.2-132.45b0b50} [Mantle] (Mantle-1.7.2-0.2.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
AS_Minions{1.9.2} [Minions] (Minions-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
moretools{1.7.2-1.0.0} [More Tools Mod] (More Tools Mod 1.7.2-1.0.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Errored
MutantCreatures{1.4.5} [Mutant Creatures] (MutantCreatures-1.7.2-1.4.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
SmartMoving{15.0.1} [Smart Moving] (SmartMoving-1.7.2-15.0.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
SmartRender{2.0} [Smart Render] (SmartRender-1.7.2-2.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
TConstruct{1.7.2-1.6.0.jenkins478} [Tinkers' Construct] (TConstruct-1.7.2-1.6.0.a14.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
AS_UpdateCheck{1.1.5} [AtomicStryker Update Check Mod] (UpdateCheckerMod-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
voxelmap{1.7.2} [VoxelMap] (voxelmap-1.7.2-1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
weaponmod{1.7.2 v1.14.2} [Balkon's WeaponMod] (weaponmod-1.14.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
zeldaswordskills{1.7.2-beta-0.1.3} [Zelda Sword Skills] (zeldaswordskills-1.7.2-beta-0.1.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Mantle Environment: DO NOT REPORT THIS CRASH! Unsupported mods in environment: optifine
TConstruct Environment: Environment healthy.
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 0 / 8; []
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'

And yes I tried removing optifine but that didn't work.

Is there a way to fix it or do I have to take one out? Oh wait they need one another to run don't they?