---- Minecraft Crash Report ----
// Would you like a cupcake?

Time: 03.04.2016 19:41
Description: Exception in server tick loop

java.lang.RuntimeException: Error trying to initialize module: org.spongepowered.common.registry.type.text.ChatVisibilityRegistryModule
	at org.spongepowered.common.registry.util.RegistryModuleLoader.tryModulePhaseRegistration(RegistryModuleLoader.java:69)
	at org.spongepowered.common.registry.SpongeGameRegistry.registerModulePhase(SpongeGameRegistry.java:410)
	at org.spongepowered.common.registry.SpongeGameRegistry.preRegistryInit(SpongeGameRegistry.java:141)
	at org.spongepowered.server.SpongeVanilla.preInitialize(SpongeVanilla.java:130)
	at net.minecraft.server.dedicated.DedicatedServer.onServerLoad(SourceFile:60)
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(SourceFile:98)
	at net.minecraft.server.MinecraftServer.run(SourceFile:421)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException: at index 1
	at com.google.common.collect.ObjectArrays.checkElementNotNull(ObjectArrays.java:240)
	at com.google.common.collect.ImmutableSet.construct(ImmutableSet.java:195)
	at com.google.common.collect.ImmutableSet.of(ImmutableSet.java:105)
	at org.spongepowered.common.registry.type.text.ChatVisibilityRegistryModule.setChatTypes(ChatVisibilityRegistryModule.java:72)
	at org.spongepowered.common.registry.type.text.ChatVisibilityRegistryModule.registerDefaults(ChatVisibilityRegistryModule.java:58)
	at org.spongepowered.common.registry.util.RegistryModuleLoader.tryModulePhaseRegistration(RegistryModuleLoader.java:59)
	... 7 more


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
	Minecraft Version: 1.8.9
	Operating System: Mac OS X (x86_64) version 10.11.4
	Java Version: 1.8.0_73, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 8030092216 bytes (7658 MB) / 8232370176 bytes (7851 MB) up to 8232370176 bytes (7851 MB)
	JVM Flags: 2 total; -Xmx8G -Xms8G
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Plugins:
	Profiler Position: N/A (disabled)
	Is Modded: Definitely; Server brand changed to 'SpongeVanilla'
	Type: Dedicated Server (map_server.txt)