World Crashes when rendering Player Head

My world crashed when I did the following command:
/give @a player_head{"SkullOwner":"DanTDM"} 1

I can't take much screenshots because it has crashed.

Here is the crash report

1.14

---- Minecraft Crash Report ----
 // Sorry :(

Time: 5/1/19 1:15 PM
 Description: Rendering item

java.lang.NullPointerException: Rendering item
 at com.mojang.authlib.yggdrasil.YggdrasilGameProfileRepository.findProfilesByNames(YggdrasilGameProfileRepository.java:57)
 at xm.a(SourceFile:80)
 at xm.a(SourceFile:140)
 at buj.b(SourceFile:124)
 at dkf.a(SourceFile:89)
 at dqa.a(SourceFile:116)
 at dqa.a(SourceFile:311)
 at dqa.a(SourceFile:346)
 at cwb.a(SourceFile:1107)
 at cwb.b(SourceFile:545)
 at cwb.a(SourceFile:184)
 at dki.a(SourceFile:657)
 at cvi.d(SourceFile:954)
 at cvi.b(SourceFile:411)
 at net.minecraft.client.main.Main.main(SourceFile:154)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at info.mineshafter.GameStarter.main(GameStarter.java:33)

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

– Head –
 Thread: Client thread
 Stacktrace:
 at com.mojang.authlib.yggdrasil.YggdrasilGameProfileRepository.findProfilesByNames(YggdrasilGameProfileRepository.java:57)
 at xm.a(SourceFile:80)
 at xm.a(SourceFile:140)
 at buj.b(SourceFile:124)
 at dkf.a(SourceFile:89)
 at dqa.a(SourceFile:116)
 at dqa.a(SourceFile:311)

– Item being rendered –
 Details:
 Item Type: bck@7b78ed6a
 Item Damage: 0
 Item NBT:

{SkullOwner:"DanTDM"}

Item Foil: false
 Stacktrace:
 at dqa.a(SourceFile:346)
 at cwb.a(SourceFile:1107)
 at cwb.b(SourceFile:545)
 at cwb.a(SourceFile:184)

– Affected level –
 Details:
 Level name: MpServer
 All players: 1 total; [djv['Imsure1200q'/187, l='MpServer', x=-7.45, y=19.00, z=-272.31]]
 Chunk stats: MultiplayerChunkCache: 225, 80
 Level seed: 0
 Level generator: ID 01 - flat, ver 0. Features enabled: false
 Level generator options: {}
 Level spawn location: World: (-101,5,-151), Chunk: (at 11,0,9 in -7,-10; contains blocks -112,0,-160 to -97,255,-145), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
 Level time: 1785907 game time, 759 day time
 Level dimension: 0
 Level storage version: 0x00000 - Unknown?
 Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
 Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
 Server brand: vanilla
 Server type: Integrated singleplayer server
 Stacktrace:
 at dhl.a(SourceFile:421)
 at cvi.b(SourceFile:1920)
 at cvi.b(SourceFile:426)
 at net.minecraft.client.main.Main.main(SourceFile:154)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at info.mineshafter.GameStarter.main(GameStarter.java:33)

– System Details –
 Details:
 Minecraft Version: 1.14
 Operating System: Windows 10 (amd64) version 10.0
 Java Version: 1.8.0_191, Oracle Corporation
 Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
 Memory: 394606112 bytes (376 MB) / 675131392 bytes (643 MB) up to 1060372480 bytes (1011 MB)
 JVM Flags: 6 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
 Launched Version: 1.14
 LWJGL: 3.2.1 build 12
 OpenGL: Intel(R) HD Graphics 520 GL version 4.5.0 - Build 23.20.16.4973, Intel
 GL Caps: Using GL 1.3 multitexturing.
 Using GL 1.3 texture combiners.
 Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
 Shaders are available because OpenGL 2.1 is supported.
 VBOs are available because OpenGL 1.5 is supported.

Using VBOs: Yes
 Is Modded: Probably not. Jar signature remains and client brand is untouched.
 Type: Client (map_client.txt)
 Resource Packs: 
 Current Language: English (US)
 CPU: 4x Intel(R) Core(TM) i3-6006U CPU @ 2.00GHz