---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 11/8/16 5:52 PM
Description: Exception in server tick loop

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextEntry(Unknown Source)
	at java.util.HashMap$KeyIterator.next(Unknown Source)
	at lp.a(SourceFile:195)
	at net.minecraft.server.MinecraftServer.D(SourceFile:634)
	at ld.D(SourceFile:338)
	at net.minecraft.server.MinecraftServer.C(SourceFile:554)
	at net.minecraft.server.MinecraftServer.run(SourceFile:458)
	at java.lang.Thread.run(Unknown Source)


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

-- System Details --
Details:
	Minecraft Version: 1.10.2
	Operating System: Windows 8 (amd64) version 6.2
	Java Version: 1.7.0_45, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 363138416 bytes (346 MB) / 457703424 bytes (436 MB) up to 3803185152 bytes (3627 MB)
	JVM Flags: 0 total; 
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Player Count: 1 / 20; [lu['TerrorBite'/178, l='world', x=-4.50, y=63.00, z=-0.50]]
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)