---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3

Time: 4/24/21 8:33 AM
Description: Unexpected error

java.lang.IllegalStateException: Missing: ResourceKey[minecraft:worldgen/biome / minecraft:plains]
	at gr.d(SourceFile:405)
	at eib.a(SourceFile:543)
	at bwa.b(SourceFile:67)
	at bwy.a(SourceFile:50)
	at elw.a(SourceFile:97)
	at elw$$Lambda$5525/1527879739.fetch(Unknown Source)
	at net.minecraft.util.CubicSampler.a(SourceFile:40)
	at elw.a(SourceFile:97)
	at emc.a(SourceFile:1127)
	at elx.a(SourceFile:959)
	at elx.a(SourceFile:777)
	at duq.e(SourceFile:1073)
	at duq.e(SourceFile:700)
	at net.minecraft.client.main.Main.main(SourceFile:217)


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

-- Head --
Thread: Render thread
Stacktrace:
	at gr.d(SourceFile:405)
	at eib.a(SourceFile:543)
	at bwa.b(SourceFile:67)
	at bwy.a(SourceFile:50)
	at elw.a(SourceFile:97)
	at elw$$Lambda$5525/1527879739.fetch(Unknown Source)
	at net.minecraft.util.CubicSampler.a(SourceFile:40)
	at elw.a(SourceFile:97)
	at emc.a(SourceFile:1127)
	at elx.a(SourceFile:959)

-- Affected level --
Details:
	All players: 1 total; [ekz['Nullean'/117, l='ClientLevel', x=61.57, y=-99.26, z=-494.58]]
	Chunk stats: 1225, 0
	Level dimension: minecraft:overworld
	Level spawn location: World: (-128,66,26), Section: (at 0,2,10 in -8,4,1; chunk contains blocks -128,-64,16 to -113,319,31), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,-64,0 to -1,319,511)
	Level time: 20653 game time, 31426 day time
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at eib.a(SourceFile:370)
	at duq.c(SourceFile:2259)
	at duq.e(SourceFile:724)
	at net.minecraft.client.main.Main.main(SourceFile:217)

-- System Details --
Details:
	Minecraft Version: 21w16a
	Minecraft Version ID: 21w16a
	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: 2479320360 bytes (2364 MB) / 4294967296 bytes (4096 MB) up to 4294967296 bytes (4096 MB)
	CPUs: 8
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Launched Version: 21w16a
	Backend library: LWJGL version 3.2.2 build 10
	Backend API: GeForce GTX 960M/PCIe/SSE2 GL version 3.2.0 NVIDIA 399.01, NVIDIA Corporation
	GL Caps: Using framebuffer using OpenGL 3.2
	Using VBOs: Yes
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Graphics mode: fancy
	Resource Packs: vanilla
	Current Language: English (US)
	CPU: 8x Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz