---- Minecraft Crash Report ----
// I let you down. Sorry :(

Time: 12.05.14 22:54
Description: Exception in server tick loop

java.lang.ArrayIndexOutOfBoundsException: -1
	at java.util.ArrayList.fastRemove(Unknown Source)
	at java.util.ArrayList.remove(Unknown Source)
	at oh.b(SourceFile:62)
	at og.c(SourceFile:328)
	at px.e(SourceFile:302)
	at ox.a(SourceFile:525)
	at os.c(SourceFile:130)
	at net.minecraft.server.MinecraftServer.w(SourceFile:580)
	at net.minecraft.server.MinecraftServer.v(SourceFile:496)
	at clf.v(SourceFile:132)
	at net.minecraft.server.MinecraftServer.run(SourceFile:412)
	at mz.run(SourceFile:682)


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

-- System Details --
Details:
	Minecraft Version: 14w19a
	Operating System: Windows 8 (amd64) version 6.2
	Java Version: 1.8.0_05, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 402062752 bytes (383 MB) / 750256128 bytes (715 MB) up to 3817865216 bytes (3641 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4G
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	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.