---- Minecraft Crash Report ----
// Shall we play a game?

Time: 2/14/14 9:10 AM
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(WeakHashMap.java:365)
	at java.util.WeakHashMap.put(WeakHashMap.java:517)
	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:
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-- System Details --
Details:
	Minecraft Version: 14w07a
	Operating System: Mac OS X (x86_64) version 10.9.1
	Java Version: 1.7.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 409811568 bytes (390 MB) / 536870912 bytes (512 MB) up to 4294967296 bytes (4096 MB)
	JVM Flags: 16 total; -Xmx4G -Xms512M -XX:PermSize=128m -XX:MaxPermSize=256m -XX:InitiatingHeapOccupancyPercent=80 -XX:+PrintGCDetails -Xloggc:server_gc.log -XX:+UseG1GC -XX:+UseFastAccessorMethods -XX:+UseStringCache -XX:+OptimizeStringConcat -XX:+UseBiasedLocking -XX:+UseNUMA -Xnoclassgc -XX:OnError=/Users/steve/Minecraft/Swim3/scripts/jvm_on_error.sh -XX:OnOutOfMemoryError=/Users/steve/Minecraft/Swim3/scripts/jvm_on_out_of_memory.sh
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 102
	Profiler Position: N/A (disabled)
	Player Count: 0 / 20; []
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)