Here is a crash report that I copied and pasted from the game output.

 
 
---- Minecraft Crash Report ---- // My bad. Time: 19/02/19 3:59 PM Description: Tesselating liquid in world java.lang.NullPointerException: Tesselating liquid in world at dfj.b(SourceFile:15) at dfj$$Lambda$2604/214853420.getColor(Unknown Source) at dfj.a(SourceFile:27) at dfj.c(SourceFile:46) at dgm.a(SourceFile:64) at dgl.a(SourceFile:78) at din.b(SourceFile:208) at dik.a(SourceFile:88) at dik.run(SourceFile:41) at java.lang.Thread.run(Thread.java:745) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- – Head – Thread: Client thread Stacktrace: at dfj.b(SourceFile:15) at dfj$$Lambda$2604/214853420.getColor(Unknown Source) at dfj.a(SourceFile:27) at dfj.c(SourceFile:46) at dgm.a(SourceFile:64) – Block being tesselated – Details: Block location: World: (-2447,48,-1712), Chunk: (at 1,3,0 in -153,-107; contains blocks -2448,0,-1712 to -2433,255,-1697), Region: (-5,-4; contains chunks -160,-128 to -129,-97, blocks -2560,0,-2048 to -2049,255,-1537) Stacktrace: at dgl.a(SourceFile:78) – Affected level – Details: Level name: MpServer All players: 1 total; [dfe['TheRedGem'/183, l='MpServer', x=-2435.47, y=62.07, z=-1643.81]] Chunk stats: MultiplayerChunkCache: 289, 164 Level seed: 0 Level generator: ID 00 - default, ver 1. Features enabled: false Level generator options: {} Level spawn location: World: (224,65,-192), Chunk: (at 0,4,0 in 14,-12; contains blocks 224,0,-192 to 239,255,-177), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1) Level time: 6697648 game time, 7477746 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: survival (ID 0). Hardcore: false. Cheats: false Server brand: vanilla Server type: Integrated singleplayer server Stacktrace: at dct.a(SourceFile:466) at cqn.b(SourceFile:1894) at dik.run(SourceFile:47) at java.lang.Thread.run(Thread.java:745) – System Details – Details: Minecraft Version: 19w07a Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 829407728 bytes (790 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB) JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Launched Version: 19w07a LWJGL: 3.2.1 build 12 OpenGL: NO CONTEXT 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 (Australia) CPU: 4x Intel(R) Core(TM) i7-5500U CPU @ 2.40GHz #@Unable to render embedded object: File (@# Game crashed) not found. Crash report saved to: #@!@# C:\Users(deleted)\AppData\Roaming\.minecraft\crash-reports\crash-2019-02-19_15.59.21-client.txt AL lib: (EE) alc_cleanup: 1 device not closed
15:59:24
monitor
Process Monitor
fatal
Process crashed with exit code -1