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

Time: 05/03/13 5:19 PM
Description: Ticking memory connection

java.lang.ArrayIndexOutOfBoundsException: -1
	at java.util.ArrayList.fastRemove(Unknown Source)
	at java.util.ArrayList.remove(Unknown Source)
	at gu.e(SourceFile:209)
	at jh.a(SourceFile:405)
	at ch.b(SourceFile:67)
	at jh.d(SourceFile:60)
	at jk.b(SourceFile:35)
	at bjd.b(SourceFile:84)
	at net.minecraft.server.MinecraftServer.r(SourceFile:480)
	at net.minecraft.server.MinecraftServer.q(SourceFile:397)
	at bja.q(SourceFile:122)
	at net.minecraft.server.MinecraftServer.run(SourceFile:331)
	at gp.run(SourceFile:573)


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

-- System Details --
Details:
	Minecraft Version: 13w10a
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_15, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1704233328 bytes (1625 MB) / 2058027008 bytes (1962 MB) up to 2058027008 bytes (1962 MB)
	JVM Flags: 2 total; -Xms2048m -Xmx2048m
	AABB Pool Size: 1605 (89880 bytes; 0 MB) allocated, 1573 (88088 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Player Count: ~~ERROR~~ NoSuchElementException: null
	Type: Integrated Server (map_client.txt)
	Is Modded: Very likely; Jar signature invalidated