---- Minecraft Crash Report ----
// I just don't know what went wrong :(

Time: 04.03.13 22:51
Description: Exception in server tick loop

java.lang.ArrayIndexOutOfBoundsException: 0
	at y.a(SourceFile:20)
	at hz.am(SourceFile:288)
	at hz.r(SourceFile:256)
	at net.minecraft.server.MinecraftServer.q(SourceFile:397)
	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: 1014178424 bytes (967 MB) / 1072889856 bytes (1023 MB) up to 1072889856 bytes (1023 MB)
	JVM Flags: 2 total; -Xmx1024M -Xms1024M
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 2, tallocated: 62
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Player Count: 0 / 20; []
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)