Sponge 1.11.2-2204 server crash report 02

---- Minecraft Crash Report ----

WARNING: coremods are present:
  SpongeCoremod (spongeforge-1.11.2-2227-6.0.0-BETA-2204.jar)
Contact their authors BEFORE contacting forge

// Oops.

Time: 26/02/17 6:51 PM
Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:737)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:384)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:624)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:482)
	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: 1.11.2
	Operating System: Linux (amd64) version 4.4.0-64-generic
	Java Version: 1.8.0_101, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1207957512 bytes (1151 MB) / 3221225472 bytes (3072 MB) up to 3221225472 bytes (3072 MB)
	JVM Flags: 13 total; -Xms3G -Xmx3G -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:MaxGCPauseMillis=100 -XX:+DisableExplicitGC -XX:TargetSurvivorRatio=90 -XX:G1NewSizePercent=50 -XX:G1MaxNewSizePercent=80 -XX:InitiatingHeapOccupancyPercent=10 -XX:G1MixedGCLiveThresholdPercent=50 -XX:+AggressiveOpts -XX:+AlwaysPreTouch
	IntCache: cache: 12, tcache: 92, allocated: 0, tallocated: 0
	FML: MCP 9.38 Powered by Forge 13.20.0.2252 11 mods loaded, 11 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
	UCHIJAAAA	minecraft{1.11.2} [Minecraft] (minecraft.jar)
	UCHIJAAAA	mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)
	UCHIJAAAA	FML{8.0.99.99} [Forge Mod Loader] (forge-1.11.2-13.20.0.2252-universal.jar)
	UCHIJAAAA	forge{13.20.0.2252} [Minecraft Forge] (forge-1.11.2-13.20.0.2252-universal.jar)
	UCHIJAAAA	spongeapi{6.0.0-SNAPSHOT-c641cb0} [SpongeAPI] (spongeforge-1.11.2-2227-6.0.0-BETA-2204.jar)
	UCHIJAAAA	sponge{1.11.2-2227-6.0.0-BETA-2204} [SpongeForge] (spongeforge-1.11.2-2227-6.0.0-BETA-2204.jar)
	UCHIJAAAA	foxcore{0.10.3-208} [FoxCore] (foxcore-0.10.3-208-server.jar)
	UCHIJAAAA	foxguard{0.20.2-api5-347} [FoxGuard] (foxguard-0.20.2-api5-347-server.jar)
	UCHIJAAAA	ironchest{1.11-7.0.17.799} [Iron Chest] (ironchest-1.11-7.0.17.799.jar)
	UCHIJAAAA	nucleus{0.23.0-PR2-S6.0} [Nucleus] (Nucleus-0.23.0-PR2-1.11.2-S6.0-plugin.jar)
	UCHIJAAAA	worldedit{6.1.7-SNAPSHOT} [WorldEdit] (worldedit-sponge-6.1.7-SNAPSHOT-dist.jar)
	Loaded coremods (and transformers):
SpongeCoremod (spongeforge-1.11.2-2227-6.0.0-BETA-2204.jar)
  org.spongepowered.common.launch.transformer.SpongeSuperclassTransformer
	Profiler Position: N/A (disabled)
	Player Count: 0 / 9; []
	Is Modded: Definitely; Server brand changed to 'fml,forge,sponge'
	Type: Dedicated Server (map_server.txt)