---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 7/2/14 8:59 AM
Description: Exception in server tick loop

java.lang.ArrayIndexOutOfBoundsException: -1
	at java.util.ArrayList.fastRemove(ArrayList.java:441)
	at java.util.ArrayList.remove(ArrayList.java:424)
	at oz.b(SourceFile:65)
	at oy.c(SourceFile:326)
	at qq.e(SourceFile:301)
	at pq.a(SourceFile:530)
	at pj.c(SourceFile:147)
	at net.minecraft.server.MinecraftServer.x(SourceFile:601)
	at net.minecraft.server.MinecraftServer.w(SourceFile:511)
	at cpr.w(SourceFile:132)
	at net.minecraft.server.MinecraftServer.run(SourceFile:427)
	at java.lang.Thread.run(Thread.java:695)


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: 14w27a
	Operating System: Mac OS X (x86_64) version 10.9.3
	Java Version: 1.6.0_65, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 297484616 bytes (283 MB) / 642772992 bytes (612 MB) up to 1065025536 bytes (1015 MB)
	JVM Flags: 1 total; -Xmx1G
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Player Count: 0 / 8; []
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.