---- Minecraft Crash Report ----
// I feel sad now :(

Time: 10/11/13 2:07 PM
Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
	at ml.c(SourceFile:130)
	at net.minecraft.server.MinecraftServer.u(SourceFile:529)
	at le.u(SourceFile:259)
	at net.minecraft.server.MinecraftServer.t(SourceFile:441)
	at net.minecraft.server.MinecraftServer.run(SourceFile:358)
	at kt.run(SourceFile:617)


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: 13w41b
	Operating System: Linux (amd64) version 2.6.32-042stab078.28
	Java Version: 1.7.0_40, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1075939896 bytes (1026 MB) / 1422393344 bytes (1356 MB) up to 1431830528 bytes (1365 MB)
	JVM Flags: 2 total; -Xms1536M -Xmx1536M
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	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)