Description: Ticking block entity

java.lang.NullPointerException: Ticking block entity
	at com.kentington.thaumichorizons.common.tiles.TileVat.func_145845_h(TileVat.java:326)
	at net.minecraft.world.World.func_72939_s(World.java:2487)
	at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:664)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:943)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:430)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:798)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:658)
	at java.lang.Thread.run(Unknown Source)


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- Head --
Stacktrace:
	at com.kentington.thaumichorizons.common.tiles.TileVat.func_145845_h(TileVat.java:326)

-- Block entity being ticked --
Details:
	Name: TileVat // com.kentington.thaumichorizons.common.tiles.TileVat
	Block type: ID #681 (tile.ThaumicHorizons_vatSolid // com.kentington.thaumichorizons.common.blocks.BlockVatSolid)
	Block data value: 7 / 0x7 / 0b0111
	Block location: World: (1556,153,1540), Chunk: (at 4,9,4 in 97,96; contains blocks 1552,0,1536 to 1567,255,1551), Region: (3,3; contains chunks 96,96 to 127,127, blocks 1536,0,1536 to 2047,255,2047)
	Actual block type: ID #681 (tile.ThaumicHorizons_vatSolid // com.kentington.thaumichorizons.common.blocks.BlockVatSolid)
	Actual block data value: 7 / 0x7 / 0b0111
Stacktrace:
	at net.minecraft.world.World.func_72939_s(World.java:2487)
	at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:664)

-- Affected level --
Details: