Voltz 1.1.4 crashes all the time

[Knightedshadow]

whenever i try and open a singleplayer world the game crashes and refuses to open.This is the error report that i get whenever it crashes.

---- Minecraft Crash Report ----

// You're mean.

Time: 2/05/13 10:07 AM

Description: Ticking entity

java.lang.NoClassDefFoundError: mffs/api/ForcefieldProtected

at icbm.zhapin.zhapin.ex.ExHongSu.doBaoZha(ExHongSu.java:78)

at icbm.zhapin.zhapin.EZhaPin.j_(EZhaPin.java:138)

at yc.a(World.java:2293)

at in.a(WorldServer.java:647)

at yc.g(World.java:2255)

at yc.h(World.java:2109)

at in.h(WorldServer.java:516)

at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:680)

at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:599)

at bdz.q(IntegratedServer.java:123)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)

at fy.run(SourceFile:849)

Caused by: java.lang.ClassNotFoundException: mffs.api.ForcefieldProtected

at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:185)

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

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

... 12 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 icbm.zhapin.zhapin.ex.ExHongSu.doBaoZha(ExHongSu.java:78)

at icbm.zhapin.zhapin.EZhaPin.j_(EZhaPin.java:138)

at yc.a(World.java:2293)

at in.a(WorldServer.java:647)

at yc.g(World.java:2255)

-- Entity being ticked --

Details:

Entity Type: ICBMProceduralExplosion (icbm.zhapin.zhapin.EZhaPin)

Entity ID: 694

Name: Explosion

Exact location: -248.51, 4.49, 343.51

Block location: World: (-249,4,343), Chunk: (at 7,0,7 in -16,21; contains blocks -256,0,336 to -241,255,351), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)

Momentum: 0.00, 0.00, 0.00

Stacktrace:

at yc.h(World.java:2109)

at in.h(WorldServer.java:516)

-- Affected level --

Details:

Level name: New World

All players: 1 total; [iq['knightedshadow'/233, l='New World', x=-185.42, y=65.79, z=225.16]]

Chunk stats: ServerChunkCache: 1024 Drop: 0

Level seed: 382774227

Level generator: ID 00 - default, ver 1. Features enabled: true

Level generator options:

Level spawn location: World: (156,64,244), Chunk: (at 12,4,4 in 9,15; contains blocks 144,0,240 to 159,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)

Level time: 176926 game time, 176926 day time

Level dimension: 0

Level storage version: 0x04ABD - Anvil

Level weather: Rain time: 6411 (now: true), thunder time: 53393 (now: false)

Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true

Stacktrace:

at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:680)

at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:599)

at bdz.q(IntegratedServer.java:123)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)

at fy.run(SourceFile:849)

-- System Details --

Details:

Minecraft Version: 1.4.7

Operating System: Windows 7 (amd64) version 6.1

Java Version: 1.7.0_09, Oracle Corporation

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

Memory: 158303960 bytes (150 MB) / 424542208 bytes (404 MB) up to 954466304 bytes (910 MB)

JVM Flags: 1 total; -Xmx1024m

AABB Pool Size: 4549 (254744 bytes; 0 MB) allocated, 4549 (254744 bytes; 0 MB) used

Suspicious classes: FML and Forge are installed

IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63

FML: MCP v7.26a FML v4.7.35.556 Minecraft Forge 6.6.2.534 22 mods loaded, 22 mods active

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

FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

CodeChickenCore [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

mod_ReiMinimap [mod_ReiMinimap] ([1.4.6]ReiMinimap_v3.2_06.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

BasicComponents [basic Components] (BasicComponents_v1.2.6.339.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

AssemblyLine [Assembly Line] (AssemblyLine_v0.2.8.88.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

AtomicScience [Atomic Science] (AtomicScience_v0.4.1.162a.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

ElectricExpansion [Electric Expansion] (ElectricExpansion_v1.4.7.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

Fluid_Mechanics [Fluid_Mechanics] (Fluid-Mechanics_v0.2.8.27.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

ICBM|Contraption [iCBM|Contraption] (ICBM_Contraption_v1.0.6.168.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

ICBM|Sentry [iCBM|Sentry] (ICBM_Sentry_v1.0.6.168.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

ICBM|Explosion [iCBM|Explosion] (ICBM_Explosion_v1.0.6.168.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

mod_InvTweaks [inventory Tweaks] (InvTweaks-1.50-1.4.7.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

Mekanism [Mekanism] (Mekanism-v5.4.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

MekanismGenerators [MekanismGenerators] (MekanismGenerators-v5.4.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

MekanismTools [MekanismTools] (MekanismTools-v5.4.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

ModularForceFieldSystem [Modular Force Field System] (MFFS_v2.3.0.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

mmmPowersuits [MachineMuse's Modular Powersuits] (ModularPowersuits-0.3.2-199.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

NEIPlugins [NEI Plugins] (nei_plugins-1.0.4.5a.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

Railcraft [Railcraft] (Railcraft_1.4.7-6.17.0.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

Profiler Position: N/A (disabled)

Vec3 Pool Size: 323 (18088 bytes; 0 MB) allocated, 323 (18088 bytes; 0 MB) used

Player Count: 1 / 8; [iq['knightedshadow'/233, l='New World', x=-185.42, y=65.79, z=225.16]]

Type: Integrated Server (map_client.txt)

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