Tmk

14w10c fixed it for me. Thanks

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

Time: 06.03.14 18:00
Description: Exception in server tick loop

java.lang.IllegalArgumentException: Name and ID cannot both be blank
	at com.mojang.authlib.GameProfile.<init>(GameProfile.java:27)
	at pe.a(SourceFile:60)
	at pe.a(SourceFile:110)
	at my.aF(SourceFile:421)
	at my.g(SourceFile:145)
	at net.minecraft.server.MinecraftServer.run(SourceFile:367)
	at mp.run(SourceFile:667)


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

-- System Details --
Details:
	Minecraft Version: 14w10b
	Operating System: Linux (amd64) version 3.2.0-4-amd64
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 5884060696 bytes (5611 MB) / 6174015488 bytes (5888 MB) up to 6174015488 bytes (5888 MB)
	JVM Flags: 2 total; -Xms6G -Xmx6G
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)