Terrafirmacraft Crash

---- Minecraft Crash Report ----
// I feel sad now :(

Time: 10/08/15 14:55
Description: Ticking entity

java.lang.NullPointerException: Ticking entity
	at com.bioxx.tfc.Blocks.BlockMetalSheet.func_149725_f(BlockMetalSheet.java:77)
	at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:592)
	at net.minecraft.world.World.func_147465_d(World.java:451)
	at com.bioxx.tfc.Core.TFC_Core.setBlockWithDrops(TFC_Core.java:1392)
	at com.bioxx.tfc.Entities.EntityFallingBlockTFC.canReplace(EntityFallingBlockTFC.java:231)
	at com.bioxx.tfc.Entities.EntityFallingBlockTFC.func_70071_h_(EntityFallingBlockTFC.java:138)
	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 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.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
	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 com.bioxx.tfc.Blocks.BlockMetalSheet.func_149725_f(BlockMetalSheet.java:77)
	at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:592)
	at net.minecraft.world.World.func_147465_d(World.java:451)
	at com.bioxx.tfc.Core.TFC_Core.setBlockWithDrops(TFC_Core.java:1392)
	at com.bioxx.tfc.Entities.EntityFallingBlockTFC.canReplace(EntityFallingBlockTFC.java:231)
	at com.bioxx.tfc.Entities.EntityFallingBlockTFC.func_70071_h_(EntityFallingBlockTFC.java:138)
	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)

-- Entity being ticked --
Details:
	Entity Type: fallingBlock (com.bioxx.tfc.Entities.EntityFallingBlockTFC)
	Entity ID: 804734
	Entity Name: Falling Block
	Entity's Exact location: 5911.50, 154.49, -14018.50
	Entity's Block location: World: (5911,154,-14019), Chunk: (at 7,9,13 in 369,-877; contains blocks 5904,0,-14032 to 5919,255,-14017), Region: (11,-28; contains chunks 352,-896 to 383,-865, blocks 5632,0,-14336 to 6143,255,-13825)
	Entity's Momentum: 0.00, 0.00, 0.00
	Immitating block ID: 191
	Immitating block data: 0
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: world
	All players: 1 total; [EntityPlayerMP['Munchkin_George'/795702, l='world', x=5910.01, y=156.86, z=-14019.59]]
	Chunk stats: ServerChunkCache: 601 Drop: 0
	Level seed: -676511997092793579
	Level generator: ID 00 - TFCDefault, ver 0. Features enabled: true
	Level generator options:
	Level spawn location: World: (5792,165,-14091), Chunk: (at 0,10,5 in 362,-881; contains blocks 5792,0,-14096 to 5807,255,-14081), Region: (11,-28; contains chunks 352,-896 to 383,-865, blocks 5632,0,-14336 to 6143,255,-13825)
	Level time: 1086840 game time, 1271005 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 21338 (now: true), thunder time: 34123 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:636)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
	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 (x86) version 6.3
	Java Version: 1.8.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 738467816 bytes (704 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xmx1G -Xms1G
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 17, allocated: 0, tallocated: 0
	FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1492 5 mods loaded, 5 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
	UCHIJAAAA	mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
	UCHIJAAAA	FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1492-1.7.10-universal.jar)
	UCHIJAAAA	Forge{10.13.4.1492} [Minecraft Forge] (forge-1.7.10-10.13.4.1492-1.7.10-universal.jar)
	UCHIJAAAA	tfc_coremod{0.79.21} [TFC[coremod]] (minecraft.jar)
	UCHIJAAAA	terrafirmacraft{0.79.21} [TerraFirmaCraft] ([1.7.10]TerraFirmaCraft-0.79.21.741.jar)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Player Count: 1 / 20; [EntityPlayerMP['Munchkin_George'/795702, l='world', x=5910.01, y=156.86, z=-14019.59]]
	Is Modded: Definitely; Server brand changed to 'fml,forge'
	Type: Dedicated Server (map_server.txt)