FTB Corruption crash report

---- Minecraft Crash Report ----
// I let you down. Sorry :(

Time: 5/11/13 6:48 PM
Description: Ticking screen

java.lang.ClassCastException: anr cannot be cast to com.github.AbrarSyed.SecretRooms.common.TileEntityCamo
	at com.github.AbrarSyed.SecretRooms.client.PacketHandlerClient.onPacketData(PacketHandlerClient.java:80)
	at cpw.mods.fml.common.network.NetworkRegistry.handlePacket(NetworkRegistry.java:243)
	at cpw.mods.fml.common.network.NetworkRegistry.handleCustomPacket(NetworkRegistry.java:233)
	at cpw.mods.fml.common.network.FMLNetworkHandler.handlePacket250Packet(FMLNetworkHandler.java:71)
	at ayh.a(NetClientHandler.java:1483)
	at di.a(SourceFile:59)
	at com.mumfrey.liteloader.core.HookPluginChannels.a(HookPluginChannels.java:99)
	at cg.b(TcpConnection.java:458)
	at ayh.d(NetClientHandler.java:240)
	at ayu.c(SourceFile:31)
	at net.minecraft.client.Minecraft.l(Minecraft.java:1539)
	at net.minecraft.client.Minecraft.J(Minecraft.java:848)
	at net.minecraft.client.Minecraft.run(Minecraft.java:773)
	at java.lang.Thread.run(Unknown Source)


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

-- Head --
Stacktrace:
	at com.github.AbrarSyed.SecretRooms.client.PacketHandlerClient.onPacketData(PacketHandlerClient.java:80)
	at cpw.mods.fml.common.network.NetworkRegistry.handlePacket(NetworkRegistry.java:243)
	at cpw.mods.fml.common.network.NetworkRegistry.handleCustomPacket(NetworkRegistry.java:233)
	at cpw.mods.fml.common.network.FMLNetworkHandler.handlePacket250Packet(FMLNetworkHandler.java:71)
	at ayh.a(NetClientHandler.java:1483)
	at di.a(SourceFile:59)
	at com.mumfrey.liteloader.core.HookPluginChannels.a(HookPluginChannels.java:99)
	at cg.b(TcpConnection.java:458)
	at ayh.d(NetClientHandler.java:240)
	at ayu.c(SourceFile:31)

-- Affected screen --
Details:
	Screen name: ~~ERROR~~ NullPointerException: null

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [ays['magicpanda123'/486, l='MpServer', x=885.00, y=67.62, z=1651.00]]
	Chunk stats: MultiplayerChunkCache: 5
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options:
	Level spawn location: World: (238,64,342), Chunk: (at 14,4,6 in 14,21; contains blocks 224,0,336 to 239,255,351), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 39057314 game time, 12036855 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 19 total; [ays['magicpanda123'/486, l='MpServer', x=885.00, y=67.62, z=1651.00], EntityWaypoint['unknown'/8, l='MpServer', x=223.00, y=65.00, z=339.00], EntityWaypoint['unknown'/9, l='MpServer', x=245.00, y=111.00, z=-298.00], EntityWaypoint['unknown'/10, l='MpServer', x=870.00, y=70.00, z=1263.00], EntityWaypoint['unknown'/11, l='MpServer', x=885.00, y=66.00, z=1651.00], EntityWaypoint['unknown'/12, l='MpServer', x=-540.00, y=70.00, z=92.00], EntityWaypoint['unknown'/13, l='MpServer', x=-223.00, y=65.00, z=260.00], EntityWaypoint['unknown'/14, l='MpServer', x=784.00, y=71.00, z=2249.00], EntityWaypoint['unknown'/15, l='MpServer', x=772.00, y=124.00, z=2538.00], EntityWaypoint['unknown'/17, l='MpServer', x=848.00, y=60.00, z=1693.00], EntityWaypoint['unknown'/16, l='MpServer', x=896.00, y=101.00, z=1560.00], EntityWaypoint['unknown'/19, l='MpServer', x=781.00, y=71.00, z=2253.00], EntityWaypoint['unknown'/18, l='MpServer', x=783.00, y=29.00, z=2043.00], EntityWaypoint['unknown'/21, l='MpServer', x=781.00, y=46.00, z=124.00], EntityWirelessTracker['entity.WRTracker.name'/54, l='MpServer', x=0.00, y=0.00, z=0.00], EntityWaypoint['unknown'/20, l='MpServer', x=527.00, y=117.00, z=2063.00], EntityWaypoint['unknown'/23, l='MpServer', x=102.00, y=71.00, z=184.00], EntityWaypoint['unknown'/22, l='MpServer', x=557.00, y=58.00, z=1638.00], EntityWaypoint['unknown'/24, l='MpServer', x=-504.00, y=33.00, z=264.00]]
	Retry entities: 0 total; []
Stacktrace:
	at ayp.a(WorldClient.java:439)
	at net.minecraft.client.Minecraft.b(Minecraft.java:2409)
	at net.minecraft.client.Minecraft.run(Minecraft.java:789)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.4.7
	Operating System: Windows 8 (amd64) version 6.2
	Java Version: 1.7.0_09, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 75297848 bytes (71 MB) / 383582208 bytes (365 MB) up to 3151495168 bytes (3005 MB)
	Mod Pack: CWW256 forgot to change this.
	LiteLoader Mods: 5 loaded mod(s)
          - VoxelPacket version 2.0.2
          - VoxelPlayer version 0.9.6
          - Integrated Sound Packs version 1.1.1
          - VoxelMenu version 1.4.7_05
          - VoxelMap version 1.0.0
	JVM Flags: 7 total; -Xms256M -Xmx3072M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+AggressiveOpts -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=128m
	AABB Pool Size: 18931 (1060136 bytes; 1 MB) allocated, 2 (112 bytes; 0 MB) used
	Suspicious classes: FML and Forge are installed
	IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
	FML:
	mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	CodeChickenCore [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	MiscPeripheralsASM [MiscPeripherals ASM] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	PowerCrystalsCore [PowerCrystals Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ComputerCraft [ComputerCraft] (computercraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	CCTurtle [ComputerCraft Turtles] (computercraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	BuildCraft|Core [BuildCraft] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	BuildCraft|Builders [BC Builders] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	BuildCraft|Energy [BC Energy] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	BuildCraft|Factory [BC Factory] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	BuildCraft|Transport [BC Transport] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	BuildCraft|Silicon [BC Silicon] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	factorization [Factorization] (factorization.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ExtrabiomesXL [ExtrabiomesXL] (extrabiomes.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	Forestry [Forestry for Minecraft] (forestry.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	CoFHCore [CoFH Core] (CoFHCore.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ThermalExpansion [Thermal Expansion] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	OmniTools [OmniTools] (omnitools.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	IC2 [IndustrialCraft 2] (IC2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	Railcraft [Railcraft] (railcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	RedPowerCore [RedPower] (redpowercore.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	RedPowerBase [RP Base] (redpowercore.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	RedPowerMachine [RP Machine] (redpowermechanical.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	RedPowerCompat [RP Compat] (redpowercompat.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	RedPowerWiring [RP Wiring] (redpowerdigital.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	RedPowerLogic [RP Logic] (redpowerdigital.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	RedPowerLighting [RP Lighting] (redpowerdigital.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	RedPowerWorld [RP World] (redpowermechanical.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	RedPowerControl [RP Control] (redpowermechanical.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ThermalExpansion|Factory [Factory] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ThermalExpansion|Energy [Energy] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ThermalExpansion|Transport [Transport] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ImmibisCore [Immibis Core] (immibiscore.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	Tubestuff [Tubestuff] (tubestuff.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	TwilightForest [The Twilight Forest] (TwilightForest.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	XyCraft [§3XyCraft] (xycraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	GregTech_Addon [GregTech-Addon] (GregTech.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	MiscPeripherals [MiscPeripherals] (MiscPeripherals.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	AdvancedMachines [IC2 Advanced Machines Addon] (advancedmachines.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	AdvancedSolarPanel [Advanced Solar Panels] (advancedsolarpanel.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	AppliedEnergistics [Applied Energistics] (AppliedEnergistics.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	BiblioCraft [BiblioCraft] (BiblioCraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ChargePads [Charge Pads] (ChargePads.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ChickenChunks [ChickenChunks] (ChickenChunks.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	EE3 [Equivalent Exchange 3] (ee3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	EnderStorage [EnderStorage] (EnderStorage.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	BinnieCore [Binnie Core] (extrabees.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ExtraBees [Extra Bees] (extrabees.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	FlatBedrock [FlatBedrock] (FlatBedrock.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ForgeIRC [ForgeIRC] (forgeirc.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	GraviGun [GraviGun] (GraviGun.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	GraviSuite [Gravitation Suite] (gravisuite.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	IC2NuclearControl [Nuclear Control] (IC2NuclearControl.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	mod_InvTweaks [Inventory Tweaks] (InvTweaks.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	IronChest [Iron Chest] (IronChest.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	MFReloaded [Minefactory Reloaded] (MineFactoryReloaded.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	MFReloaded|CompatExtraBiomes [MFR Compat: ExtraBiomes] (MineFactoryReloaded.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	MFReloaded|CompatForestry [MFR Compat: Forestry] (MineFactoryReloaded.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	MFReloaded|CompatIC2 [MFR Compat: IC2] (MineFactoryReloaded.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	MFReloaded|CompatPams [MFR Compat: Pam's Mods] (MineFactoryReloaded.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	MFReloaded|CompatRP2 [MFR Compat: RP2] (MineFactoryReloaded.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	SoulShards [SoulShards] (soulshards.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	MFReloaded|CompatSoulShards [MFR Compat: Soul Shards] (MineFactoryReloaded.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	MFReloaded|CompatSufficientBiomes [MFR Compat: Sufficient Biomes] (MineFactoryReloaded.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	Thaumcraft [Thaumcraft] (Thaumcraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	MFReloaded|CompatThaumcraft [MFR Compat: Thaumcraft] (MineFactoryReloaded.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	MFReloaded|CompatTwilightForest [MFR Compat: TwilightForest] (MineFactoryReloaded.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	XyCraftWorld [§2XyCraft World] (xycraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	MFReloaded|CompatXycraft [MFR Compat: Xycraft] (MineFactoryReloaded.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ModularForceFieldSystem [Modular ForceField System V2] (modularforcefieldsystem.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	mmmPowersuits [MachineMuse's Modular Powersuits] (ModularPowersuits.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	Mystcraft [Mystcraft] (mystcraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	NEIPlugins [NEI Plugins] (neiplugins.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	NetherOres [Nether Ores] (NetherOres.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ObsidiPlates [Obsidian Pressure Plates] (obsidiplates.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	drceph.petrogen [Petroleum Generator] (petrogen.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	PortalGun [Portal Gun] (PortalGun.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	PowerConverters [Power Converters] (PowerConverters.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	SecretRoomsMod [The SecretRoomsMod] (secretroomsmod.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	StevesCarts [Steve's Carts] (StevesCarts.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	ThaumicBees [ThaumicBees] (ThaumicBees.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	WR-CBE|Core [WR-CBE Core] (wirelessredstonecore.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	WR-CBE|Addons [WR-CBE Addons] (wirelessredstoneaddons.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	WR-CBE|RedPower [WR-CBE RedPower] (wirelessredstoneredpower.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	XReliquary [Xeno's Reliquary] (XReliquary.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	XyCraftMachines [§9XyCraft Machines] (xycraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	NEI-Mystcraft-Plugin [NEI Mystcraft Plugin] (neipluginMyst.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
	LWJGL: 2.4.2
	OpenGL: GeForce GTX 480/PCIe/SSE2 GL version 4.3.0, NVIDIA Corporation
	Is Modded: Definitely; Client brand changed to 'forge,fml'
	Type: Client (map_client.txt)
	Texture Pack: Sphax FTB 64x.zip
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 27 (1512 bytes; 0 MB) allocated, 11 (616 bytes; 0 MB) used