Crash report

---- Minecraft Crash Report ----

WARNING: coremods are present:
  SpongeCoremod (spongeforge-1.8.9-1722-3.1.0-BETA-1134.jar)
  Java8CheckerCoremod (Pixelmon-1.8.9-4.2.3-universal.jar)
Contact their authors BEFORE contacting forge

// On the bright side, I bought you a teddy bear!

Time: 3/20/16 8:30 AM
Description: Exception in server tick loop

java.lang.ClassCastException: java.util.ArrayList cannot be cast to java.lang.String
	at org.spongepowered.mod.plugin.SpongeModPluginContainer.getSortingRules(SpongeModPluginContainer.java:174)
	at net.minecraftforge.fml.common.Loader.sortModList(Loader.java:303)
	at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:492)
	at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:87)
	at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:320)
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:112)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:441)
	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: 1.8.9
	Operating System: Linux (amd64) version 3.10.23-xxxx-std-ipv6-64
	Java Version: 1.8.0_73, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1391208536 bytes (1326 MB) / 1980235776 bytes (1888 MB) up to 1980235776 bytes (1888 MB)
	JVM Flags: 3 total; -Xmx2048M -Xms2048M -XX:MaxPermSize=256m
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	FML: MCP 9.19 Powered by Forge 11.15.1.1722 15 mods loaded, 15 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
	U	mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)
	U	FML{8.0.99.99} [Forge Mod Loader] (custom.jar)
	U	Forge{11.15.1.1722} [Minecraft Forge] (custom.jar)
	U	sponge{DEV} [SpongeForge] (spongeforge-1.8.9-1722-3.1.0-BETA-1134.jar)
	U	Core{@project.version@} [Core Plugin] (Core.jar)
	U	EnjinMinecraftPlugin{2.4.9-1.8} [EnjinMinecraftPlugin] (EnjinMinecraftForgePlugin-1.8.9-NuVotifierSponge.jar)
	U	foxcore{0.7.0} [FoxCore] (FoxCore-v0.7.0-74-SNAPSHOT.jar)
	U	foxguard{0.17.0} [FoxGuard] (FoxGuard-v0.17.0-210-SNAPSHOT.jar)
	U	me.flibio.jobslite{1.3.2} [JobsLite] (JobsLite-1.3.2.jar)
	U	nuvotifier{2.3.2.2} [NuVotifier] (nuvotifier-universal-2.3.2.2.jar)
	U	ninja.leaping.permissionsex{2.0-SNAPSHOT} [PermissionsEx] (PermissionsEx-Sponge.jar)
	U	pixelmon{4.2.3} [Pixelmon] (Pixelmon-1.8.9-4.2.3-universal.jar)
	U	net.minecrell.statusprotocol{unknown} [StatusProtocol] (statusprotocol-0.2.jar)
	U	net.minecrell.serverlistplus{unknown} [ServerListPlus] (ServerListPlus-3.4.5-SNAPSHOT-Universal.jar)
	U	worldedit{6.1.1} [WorldEdit] (worldedit-forge-mc1.8.9-6.1.1.jar)
	Loaded coremods (and transformers):
SpongeCoremod (spongeforge-1.8.9-1722-3.1.0-BETA-1134.jar)
  org.spongepowered.common.launch.transformer.SpongeSuperclassTransformer
Java8CheckerCoremod (Pixelmon-1.8.9-4.2.3-universal.jar)

	Profiler Position: N/A (disabled)
	Is Modded: Definitely; Server brand changed to 'fml,forge,SpongeForge'
	Type: Dedicated Server (map_server.txt)