java.lang.NullPointerException: Exception ticking world
	at net.minecraftforge.common.BiomeDictionary.containsType(BiomeDictionary.java:440)
	at net.minecraftforge.common.BiomeDictionary.isBiomeOfType(BiomeDictionary.java:261)
	at greymerk.roguelike.dungeon.Dungeon.validLocation(Dungeon.java:170)
	at greymerk.roguelike.dungeon.Dungeon.generateNear(Dungeon.java:60)
	at greymerk.roguelike.dungeon.Dungeon.spawnInChunk(Dungeon.java:144)
	at greymerk.roguelike.DungeonGenerator.generate(DungeonGenerator.java:20)
	at net.minecraftforge.fml.common.registry.GameRegistry.redirect$onGenerateWorld$zzd000(GameRegistry.java:665)
	at net.minecraftforge.fml.common.registry.GameRegistry.generateWorld(GameRegistry.java:120)
	at net.minecraft.world.chunk.Chunk.func_186034_a(Chunk.java:1001)
	at net.minecraft.world.chunk.Chunk.func_186030_a(Chunk.java:964)
	at net.minecraft.world.gen.ChunkProviderServer.func_186025_d(ChunkProviderServer.java:154)
	at net.minecraft.server.management.PlayerChunkMapEntry.redirect$onProvidePlayerChunk$zoj000(PlayerChunkMapEntry.java:1079)
	at net.minecraft.server.management.PlayerChunkMapEntry.func_187268_a(PlayerChunkMapEntry.java:126)
	at net.minecraft.server.management.PlayerChunkMap.func_72693_b(SourceFile:147)
	at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:222)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:698)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:387)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:613)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471)
	at java.lang.Thread.run(Unknown Source)