---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 7/31/20, 5:28 PM
Description: Exception in server tick loop

java.lang.IllegalStateException: Unregistered dimension type: cgy@7c1a4a74
	at net.minecraft.server.MinecraftServer.a(SourceFile:407)
	at java.base/java.util.Optional.orElseThrow(Optional.java:401)
	at net.minecraft.server.MinecraftServer.a(SourceFile:407)
	at net.minecraft.server.MinecraftServer.l_(SourceFile:333)
	at emv.d(SourceFile:68)
	at net.minecraft.server.MinecraftServer.w(SourceFile:646)
	at net.minecraft.server.MinecraftServer.a(SourceFile:255)
	at java.base/java.lang.Thread.run(Thread.java:832)


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

-- System Details --
Details:
	Minecraft Version: 1.16.2 Pre-release 1
	Minecraft Version ID: 1.16.2-pre1
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 14, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
	Memory: 651480888 bytes (621 MB) / 1845493760 bytes (1760 MB) up to 4294967296 bytes (4096 MB)
	CPUs: 16
	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
	Player Count: 0 / 8; []
	Data Packs: vanilla, file/tall_nether.zip
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.