---- Minecraft Crash Report ----
// But it works on my machine.

Time: 16/02/14 02:55
Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
	at com.mojang.authlib.GameProfile.hashCode(GameProfile.java:90)
	at java.util.WeakHashMap.hash(Unknown Source)
	at java.util.WeakHashMap.put(Unknown Source)
	at org.apache.commons.lang3.builder.ToStringStyle.register(ToStringStyle.java:191)
	at org.apache.commons.lang3.builder.ToStringStyle.appendClassName(ToStringStyle.java:1453)
	at org.apache.commons.lang3.builder.ToStringStyle.appendStart(ToStringStyle.java:378)
	at org.apache.commons.lang3.builder.ToStringBuilder.<init>(ToStringBuilder.java:263)
	at org.apache.commons.lang3.builder.ToStringBuilder.<init>(ToStringBuilder.java:226)
	at com.mojang.authlib.GameProfile.toString(GameProfile.java:97)
	at ov.d(SourceFile:102)
	at ov.a(SourceFile:93)
	at ok.c(SourceFile:130)
	at net.minecraft.server.MinecraftServer.v(SourceFile:555)
	at nb.v(SourceFile:264)
	at net.minecraft.server.MinecraftServer.u(SourceFile:471)
	at net.minecraft.server.MinecraftServer.run(SourceFile:387)
	at mr.run(SourceFile:657)


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

-- System Details --
Details:
	Minecraft Version: 14w07a
	Operating System: Linux (amd64) version 3.2.13-grsec-xxxx-grs-ipv6-64
	Java Version: 1.7.0_11, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 107751240 bytes (102 MB) / 246132736 bytes (234 MB) up to 2112618496 bytes (2014 MB)
	JVM Flags: 2 total; -Xincgc -Xmx2G
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Player Count: 4 / 20; [oe['chivalrousWeasel'/2626319, l='world', x=418.49, y=64.70, z=289.59], oe['MINECRAFTMAN280'/4625254, l='world', x=388.52, y=63.00, z=-233.32], oe['NR_phroa'/4626239, l='world', x=518.70, y=43.00, z=-692.55], oe['techkid6'/4645857, l='world', x=344.01, y=1.00, z=-241.03]]
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)