[12:54:27] [Server thread/ERROR]: Encountered an unexpected exception
net.minecraft.util.ReportedException: Exception getting block type in world
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:631) ~[MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334) ~[lt.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547) ~[MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685) [li.class:?]
Caused by: java.lang.NullPointerException
	at net.minecraft.world.gen.structure.StructureStart.func_75068_a(StructureStart.java:44) ~[avm.class:?]
	at net.minecraft.world.gen.structure.MapGenStructure.func_75051_a(MapGenStructure.java:93) ~[ave.class:?]
	at net.minecraft.world.gen.ChunkProviderGenerate.func_73153_a(ChunkProviderGenerate.java:382) ~[aqz.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:279) ~[ms.class:?]
	at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1040) ~[apx.class:?]
	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:52) ~[ChunkIOProvider.class:?]
	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:12) ~[ChunkIOProvider.class:?]
	at net.minecraftforge.common.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:344) ~[AsynchronousExecutor.class:?]
	at net.minecraftforge.common.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:302) ~[AsynchronousExecutor.class:?]
	at net.minecraftforge.common.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:12) ~[ChunkIOExecutor.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:126) ~[ms.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:101) ~[ms.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:199) ~[ms.class:?]
	at net.minecraft.world.World.func_72964_e(World.java:419) ~[ahb.class:?]
	at net.minecraft.world.World.func_147439_a(World.java:345) ~[ahb.class:?]
	at net.minecraft.block.BlockStaticLiquid.func_149817_o(SourceFile:64) ~[ant.class:?]
	at net.minecraft.block.BlockStaticLiquid.func_149674_a(SourceFile:41) ~[ant.class:?]
	at net.minecraft.world.WorldServer.func_147456_g(WorldServer.java:391) ~[mt.class:?]
	at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:183) ~[mt.class:?]
	at net.minecraft.server.MinecraftServer.func_71190_q