[07:19:17] [Server thread/ERROR]: Encountered an unexpected exception
net.minecraft.server.v1_8_R3.ReportedException: Ticking entity
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:797) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
Caused by: java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429) ~[?:1.8.0_91]
	at java.util.HashMap$KeyIterator.next(HashMap.java:1453) ~[?:1.8.0_91]
	at net.minecraft.server.v1_8_R3.NBTTagCompound.clone(SourceFile:363) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.ItemStack.cloneItemStack(ItemStack.java:448) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.Container.b(Container.java:80) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.EntityPlayer.t_(EntityPlayer.java:199) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.World.entityJoinedWorld(World.java:1607) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.World.g(World.java:1582) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.World.tickEntities(World.java:1425) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.WorldServer.tickEntities(WorldServer.java:597) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:786) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	... 4 more
[07:19:17] [Server thread/ERROR]: 	Cause of unexpected exception was
java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429) ~[?:1.8.0_91]
	at java.util.HashMap$KeyIterator.next(HashMap.java:1453) ~[?:1.8.0_91]
	at net.minecraft.server.v1_8_R3.NBTTagCompound.clone(SourceFile:363) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.ItemStack.cloneItemStack(ItemStack.java:448) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.Container.b(Container.java:80) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.EntityPlayer.t_(EntityPlayer.java:199) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.World.entityJoinedWorld(World.java:1607) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.World.g(World.java:1582) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.World.tickEntities(World.java:1425) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.WorldServer.tickEntities(WorldServer.java:597) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:786) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
[07:19:17] [Server thread/ERROR]: This crash report has been saved to: /root/server/pvp/./crash-reports/crash-2016-11-22_07.19.17-server.txt
[07:19:17] [Server thread/INFO]: Stopping server