STOP STOP STOP DUPLICATING and PLEASE fix this bug before release I BEG YOU PLEASE, it happens on every server world. I just want to join the Minecraft world please please fix this I beg you.
---- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 4/18/19 9:02 PM
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
at cvi.n(SourceFile:1369)
at cvi.d(SourceFile:917)
at cvi.b(SourceFile:410)
at net.minecraft.client.main.Main.main(SourceFile:154)

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

– Head –
Thread: Client thread
Stacktrace:
at dhl.a(SourceFile:421)

– Affected level –
Details:
Level name: MpServer
All players: 0 total; []
Chunk stats: MultiplayerChunkCache: 529, 0
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options: {}
Level spawn location: World: (8,64,8), Chunk: (at 8,4,8 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 40 game time, 40 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: _ERROR NullPointerException: null
Server type: Non-integrated multiplayer server
Stacktrace:
at dhl.a(SourceFile:421)
at cvi.b(SourceFile:1912)
at cvi.b(SourceFile:423)
at net.minecraft.client.main.Main.main(SourceFile:154)

– System Details –
Details:
Minecraft Version: 1.14 Pre-Release 5
Operating System: Windows 8.1 (x86) version 6.3
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 314659272 bytes (300 MB) / 603979776 bytes (576 MB) up to 1073741824 bytes (1024 MB)
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
Launched Version: 1.14 Pre-Release 5
LWJGL: 3.2.1 build 12
OpenGL: GeForce GT 730/PCIe/SSE2 GL version 4.6.0 NVIDIA 388.13, NVIDIA Corporation
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) i5 CPU 650 @ 3.20GHz