Custom Head in command block crashed my game when I put the redstone torch down

Hi i tried to get an custom head using an command in an command block and it crashed my world forever. Whenever I try to enter it crashes, the command was /give nick800 {SkullOwner:"DanTDM"} and it crashed forever.
The crash report was:

---- Minecraft Crash Report ----
// Oops.

Time: 4/10/16 11:04 AM
Description: Loading entity NBT

java.lang.NullPointerException: Loading entity NBT
	at com.mojang.authlib.yggdrasil.YggdrasilGameProfileRepository.findProfilesByNames(YggdrasilGameProfileRepository.java:53)
	at mi.a(SourceFile:80)
	at mi.a(SourceFile:141)
	at aqo.b(SourceFile:135)
	at aeq.a(SourceFile:135)
	at adq.c(SourceFile:175)
	at adq.a(SourceFile:112)
	at zi.b(SourceFile:460)
	at zj.a(SourceFile:771)
	at lr.a(SourceFile:170)
	at rr.f(SourceFile:1390)
	at aze.b(SourceFile:175)
	at mm.a(SourceFile:292)
	at mm.a(SourceFile:118)
	at md.b(SourceFile:116)
	at md.c(SourceFile:62)
	at ek.a(SourceFile:232)
	at ma.c(SourceFile:187)
	at net.minecraft.server.MinecraftServer.D(SourceFile:643)
	at net.minecraft.server.MinecraftServer.C(SourceFile:553)
	at byl.C(SourceFile:154)
	at net.minecraft.server.MinecraftServer.run(SourceFile:457)
	at java.lang.Thread.run(Unknown Source)


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

-- Head --
Stacktrace:
	at com.mojang.authlib.yggdrasil.YggdrasilGameProfileRepository.findProfilesByNames(YggdrasilGameProfileRepository.java:53)
	at mi.a(SourceFile:80)
	at mi.a(SourceFile:141)
	at aqo.b(SourceFile:135)
	at aeq.a(SourceFile:135)
	at adq.c(SourceFile:175)
	at adq.a(SourceFile:112)
	at zi.b(SourceFile:460)
	at zj.a(SourceFile:771)
	at lr.a(SourceFile:170)

-- Entity being loaded --
Details:
	Entity Type: null (lr)
	Entity ID: 344
	Entity Name: nick800
	Entity's Exact location: 237.53, 65.00, -22.86
	Entity's Block location: World: (237,65,-23), Chunk: (at 13,4,9 in 14,-2; contains blocks 224,0,-32 to 239,255,-17), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Entity's Momentum: 0.00, -0.08, 0.00
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at rr.f(SourceFile:1390)
	at aze.b(SourceFile:175)
	at mm.a(SourceFile:292)
	at mm.a(SourceFile:118)
	at md.b(SourceFile:116)
	at md.c(SourceFile:62)
	at ek.a(SourceFile:232)

-- Ticking connection --
Details:
	Connection: ek@1a5f59c
Stacktrace:
	at ma.c(SourceFile:187)
	at net.minecraft.server.MinecraftServer.D(SourceFile:643)
	at net.minecraft.server.MinecraftServer.C(SourceFile:553)
	at byl.C(SourceFile:154)
	at net.minecraft.server.MinecraftServer.run(SourceFile:457)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.9.2
	Operating System: Windows 10 (x86) version 10.0
	Java Version: 1.8.0_66, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 58199904 bytes (55 MB) / 211197952 bytes (201 MB) up to 523501568 bytes (499 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -Xmn128M
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Player Count: 0 / 8; []
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.