Dalek Mod + Sponge Crash Report

---- Minecraft Crash Report ----

WARNING: coremods are present:
  SpongeCoremod (spongeforge-1.8-1577-3.0.0-BETA-1000.jar)
Contact their authors BEFORE contacting forge

// My bad.

Time: 4/5/16 9:23 PM
Description: Exception in server tick loop

java.lang.NullPointerException: biomeGenerator
	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:229)
	at org.spongepowered.common.world.gen.SpongeWorldGenerator.<init>(SpongeWorldGenerator.java:70)
	at net.minecraft.world.WorldType.createGeneratorFromString(WorldType.java:138)
	at net.minecraft.world.WorldType.createGenerator(WorldType.java:116)
	at net.minecraft.world.World.updateWorldGenerator(World.java:65)
	at net.minecraft.world.WorldServer.beforeInit(WorldServer.java:92)
	at net.minecraft.world.WorldServer.func_175643_b(WorldServer.java)
	at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:444)
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:259)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438)
	at java.lang.Thread.run(Thread.java:745)


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

-- System Details --
Details:
	Minecraft Version: 1.8
	Operating System: Mac OS X (x86_64) version 10.10.5
	Java Version: 1.8.0_73, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 365604496 bytes (348 MB) / 513802240 bytes (490 MB) up to 954728448 bytes (910 MB)
	JVM Flags: 1 total; -Xmx1024M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	FML: MCP v9.10 FML v8.0.99.99 Minecraft Forge 11.14.4.1563 6 mods loaded, 6 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
	UCHIJAA	mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
	UCHIJAA	FML{8.0.99.99} [Forge Mod Loader] (forge-1.8-11.14.4.1563-universal.jar)
	UCHIJAA	Forge{11.14.4.1563} [Minecraft Forge] (forge-1.8-11.14.4.1563-universal.jar)
	UCHIJAA	sponge{1.8-1577-3.0.0-BETA-1000} [SpongeForge] (spongeforge-1.8-1577-3.0.0-BETA-1000.jar)
	UCHIJAA	thedalekmod{Update 42.2} [thedalekmod] (Dalek Mod - Update 42.2.jar)
	UCHIJAA	EssentialCmds{6.5-f019381} [EssentialCmds] (EssentialCmds-6.5.jar)
	Loaded coremods (and transformers):
SpongeCoremod (spongeforge-1.8-1577-3.0.0-BETA-1000.jar)
  org.spongepowered.common.launch.transformer.SpongeSuperclassTransformer
	Profiler Position: N/A (disabled)
	Player Count: 0 / 20; []
	Is Modded: Definitely; Server brand changed to 'fml,forge,SpongeForge'
	Type: Dedicated Server (map_server.txt)