Factorization crash after hitting colossus

---- Minecraft Crash Report ----
// Why did you do that?

Time: 07/05/15 20:10
Description: Ticking entity

java.lang.NullPointerException: Ticking entity
	at net.minecraft.server.management.PlayerManager.func_72683_a(PlayerManager.java:250)
	at net.minecraft.server.management.ServerConfigurationManager.func_72375_a(ServerConfigurationManager.java:240)
	at factorization.fzds.network.PacketProxyingPlayer.<init>(PacketProxyingPlayer.java:127)
	at factorization.fzds.DimensionSliceEntity.func_70030_z(DimensionSliceEntity.java:870)
	at net.minecraft.entity.Entity.func_70071_h_(Entity.java:318)
	at net.minecraft.world.World.func_72866_a(World.java:2070)
	at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:648)
	at net.minecraft.world.World.func_72870_g(World.java:2034)
	at WorldServerOF.func_72870_g(WorldServerOF.java:347)
	at net.minecraft.world.World.func_72939_s(World.java:1887)
	at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:489)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:636)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:186)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)


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

-- Head --
Stacktrace:
	at net.minecraft.server.management.PlayerManager.func_72683_a(PlayerManager.java:250)
	at net.minecraft.server.management.ServerConfigurationManager.func_72375_a(ServerConfigurationManager.java:240)
	at factorization.fzds.network.PacketProxyingPlayer.<init>(PacketProxyingPlayer.java:127)
	at factorization.fzds.DimensionSliceEntity.func_70030_z(DimensionSliceEntity.java:870)
	at net.minecraft.entity.Entity.func_70071_h_(Entity.java:318)
	at net.minecraft.world.World.func_72866_a(World.java:2070)
	at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:648)
	at net.minecraft.world.World.func_72870_g(World.java:2034)
	at WorldServerOF.func_72870_g(WorldServerOF.java:347)

-- Entity being ticked --
Details:
	Entity Type: factorization.dimensionalSlice.fzds (factorization.fzds.DimensionSliceEntity)
	Entity ID: 27731
	Entity Name: entity.factorization.dimensionalSlice.fzds.name
	Entity's Exact location: 1689.00, 70.00, 148.00
	Entity's Block location: World: (1689,70,148), Chunk: (at 9,4,4 in 105,9; contains blocks 1680,0,144 to 1695,255,159), Region: (3,0; contains chunks 96,0 to 127,31, blocks 1536,0,0 to 2047,255,511)
	Entity's Momentum: 0.00, 0.00, 0.00
Stacktrace:
	at net.minecraft.world.World.func_72939_s(World.java:1887)
	at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:489)

-- Affected level --
Details:
	Level name: New World
	All players: 1 total; [EntityPlayerMP['BenneyBoy444'/253, l='New World', x=1694.79, y=64.00, z=152.44]]
	Chunk stats: ServerChunkCache: 1102 Drop: 0
	Level seed: 4294823780465485543
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options:
	Level spawn location: World: (192,64,256), Chunk: (at 0,4,0 in 12,16; contains blocks 192,0,256 to 207,255,271), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 6382 game time, 6382 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 167622 (now: false), thunder time: 18043 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:636)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:186)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

-- System Details --
Details:
	Minecraft Version: 1.7.10
	Operating System: Windows 8.1 (amd64) version 6.3
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1192129808 bytes (1136 MB) / 2804940800 bytes (2675 MB) up to 3817865216 bytes (3641 MB)
	JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms1024m -Xmx4096m -XX:PermSize=256m
	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 v9.05 FML v7.10.103.1352 Minecraft Forge 10.13.2.1352 Optifine OptiFine_1.7.10_HD_U_B7 68 mods loaded, 68 mods active
	mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	FML{7.10.103.1352} [Forge Mod Loader] (forge-1.7.10-10.13.2.1352-1.7.10-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Forge{10.13.2.1352} [Minecraft Forge] (forge-1.7.10-10.13.2.1352-1.7.10-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	CodeChickenCore{1.0.4.35} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	MCVanillaTweaks{1.0} [Mariculture - Vanilla Tweaks] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	NotEnoughItems{1.0.4.95} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.4.95-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	OpenEye{0.6} [OpenEye] (OpenEye-0.6-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	OpenModsCore{0.7.2} [OpenModsCore] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	mod_ThreadedLighting{1.7.10-1.0} [Threaded Lighting] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	debug{1.0} [debug] (denseores-1.6.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	gilded-games-util{1.7.10-1.1} [Gilded Games Utility] (gilded-games-util.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Pistronics2{0.5.1} [Pistronics 2] (1.7.10-Pistronics2-v0.5.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	bspkrsCore{6.16} [bspkrsCore] ([1.7.10]bspkrsCore-universal-6.16.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	FloatingRuins{1.7.10.r02} [FloatingRuins] ([1.7.10]FloatingRuins-universal-1.7.10.r02.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	aether{Alpha 1.7.10-1.2} [Aether II] (aether.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Baubles{1.0.1.10} [Baubles] (Baubles-1.7.10-1.0.1.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Thaumcraft{4.2.3.5} [Thaumcraft] (Thaumcraft-1.7.10-4.2.3.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	AetherAspects{Alpha 1.7.10-1.2} [Aether Aspects] (AetherAspects-1.7.10-1.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	AppleCore{1.1.0} [AppleCore] (AppleCore-mc1.7.10-1.1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BiblioCraft{1.10.4} [BiblioCraft] (BiblioCraft[v1.10.4][MC1.7.10].jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	AWWayofTime{v1.3.2} [Blood Magic: Alchemical Wizardry] (BloodMagic-1.7.10-1.3.2-1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Botania{r1.6-184} [Botania] (Botania r1.6-184.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BuildCraft|Core{6.4.14} [BuildCraft] (buildcraft-6.4.14.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BuildCraft|Transport{6.4.14} [BC Transport] (buildcraft-6.4.14.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BuildCraft|Silicon{6.4.14} [BC Silicon] (buildcraft-6.4.14.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BuildCraft|Builders{6.4.14} [BC Builders] (buildcraft-6.4.14.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BuildCraft|Energy{6.4.14} [BC Energy] (buildcraft-6.4.14.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BuildCraft|Factory{6.4.14} [BC Factory] (buildcraft-6.4.14.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BuildCraft|Compat{6.4.0} [BuildCraft Compat] (buildcraft-compat-6.4.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	CarpentersBlocks{3.3.6} [Carpenter's Blocks] (Carpenter's Blocks v3.3.6 - MC 1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	ChickenChunks{1.3.4.19} [ChickenChunks] (ChickenChunks-1.7.10-1.3.4.19-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	ForgeMultipart{1.1.2.332} [Forge Multipart] (ForgeMultipart-1.7.10-1.1.2.332-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Railcraft{9.6.1.0} [Railcraft] (Railcraft_1.7.10-9.6.1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	TwilightForest{2.3.5} [The Twilight Forest] (twilightforest-1.7.10-2.3.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	chisel{2.3.10.37} [Chisel 2] (Chisel2-2.3.10.37.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Enchiridion{1.1} [Enchiridion] (Enchiridion-1.7.X-1.2b.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	ExtraUtilities{1.2.4b} [Extra Utilities] (extrautilities-1.2.4b.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	factorization.notify{1.0} [Factorization Notification System] (Factorization-1.7.10-0.8.92.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	factorization.dimensionalSlice{0.8.92} [Factorization Dimensional Slices] (Factorization-1.7.10-0.8.92.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	factorization{0.8.92} [Factorization] (Factorization-1.7.10-0.8.92.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	factorization.misc{0.8.92} [Factorization Miscellaneous Nonsense] (Factorization-1.7.10-0.8.92.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	FastCraft{1.21} [FastCraft] (fastcraft-1.21.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	fastleafdecay{1.0} [Fast Leaf Decay] (FastLeafDecay-1.7.10-1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Forestry{3.5.4.13} [Forestry for Minecraft] (forestry_1.7.10-3.5.4.13.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	McMultipart{1.1.2.332} [Minecraft Multipart Plugin] (ForgeMultipart-1.7.10-1.1.2.332-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	FWG{1.0.3} [Fun World Gen] (FWG-1.0.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	HardcoreEnderExpansion{1.8} [Hardcore Ender Expansion] (HardcoreEnderExpansion  MC-1.7.10  v1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	HopperDuctMod{1.3.2} [Hopper Ducts] (hopperductmod-1.7.10-1.3.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	inventorytweaks{1.59-dev-152-cf6e263} [Inventory Tweaks] (InventoryTweaks-1.59-dev-152.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	journeymap{5.0.1} [JourneyMap] (JourneyMap5.0.1_Unlimited_MC1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Mariculture{1.7.10-1.2.4.2a} [Mariculture] (Mariculture-Deluxe-1.7.10-1.2.4.2a.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	MariTech{1.0} [Marine Technlogy] (Mariculture-Deluxe-1.7.10-1.2.4.2a.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	NEIAddons{1.12.5.17} [NEI Addons] (neiaddons-mc1710-1.12.5.17.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	NEIAddons|Botany{1.12.5.17} [NEI Addons: Botany] (neiaddons-mc1710-1.12.5.17.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	NEIAddons|Forestry{1.12.5.17} [NEI Addons: Forestry] (neiaddons-mc1710-1.12.5.17.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	NEIAddons|CraftingTables{1.12.5.17} [NEI Addons: Crafting Tables] (neiaddons-mc1710-1.12.5.17.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	NEIAddons|ExNihilo{1.12.5.17} [NEI Addons: Ex Nihilo] (neiaddons-mc1710-1.12.5.17.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	neiintegration{1.0.9} [NEI Integration] (NEIIntegration-MC1.7.10-1.0.9.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	OpenMods{0.7.2} [OpenMods] (OpenModsLib-1.7.10-0.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	OpenBlocks{1.4.2} [OpenBlocks] (OpenBlocks-1.7.10-1.4.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	runicdungeons{1.1.2b} [Runic Dungeons] (runicdungeons-1.1.2b.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	tcnodetracker{1.1.0} [TC Node Tracker] (tcnodetracker-1.7.10-1.1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	ThaumicExploration{0.6.0} [Thaumic Exploration] (ThaumicExploration-1.7.10-1.1-37.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	VersionChecker{1.1.8} [Version Checker] (VersionChecker-1.1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Waila{1.5.10} [Waila] (Waila-1.5.10_1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	witchery{0.24.1} [Witchery] (witchery-1.7.10-0.24.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	denseores{1.0} [Dense Ores] (denseores-1.6.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	ForgeMicroblock{1.1.2.332} [Forge Microblocks] (ForgeMultipart-1.7.10-1.1.2.332-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	OpenModsLib class transformers: [stencil_patches:FINISHED],[movement_callback:FINISHED],[map_gen_fix:FINISHED],[gl_capabilities_hook:FINISHED],[player_render_hook:FINISHED]
	Stencil buffer state: Function set: GL30, pool: internal, bits: 8
	Forestry : Warning: You have mods that change the behavior of Minecraft, ForgeModLoader, and/or Minecraft Forge to your client:
Optifine
These may have caused this error, and may not be supported. Try reproducing the crash WITHOUT these mods, and report it then.
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Player Count: 1 / 8; [EntityPlayerMP['BenneyBoy444'/253, l='New World', x=1694.79, y=64.00, z=152.44]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Definitely; Client brand changed to 'fml,forge'