---- Minecraft Crash Report ----
// Quite honestly, I wouldn't worry myself about that.

Time: 11/24/21, 2:18 AM
Description: Exception in server tick loop

java.lang.NullPointerException: Cannot invoke "it.unimi.dsi.fastutil.objects.ObjectSet.remove(Object)" because "$$4" is null
	at adb.b(SourceFile:230)
	at acv.a(SourceFile:1044)
	at adg.a(SourceFile:457)
	at aea.a(SourceFile:927)
	at vp.a(SourceFile:114)
	at vp$a.a(SourceFile:42)
	at qt.a(SourceFile:21)
	at yx.run(SourceFile:18)
	at auh.c(SourceFile:151)
	at aul.c(SourceFile:23)
	at net.minecraft.server.MinecraftServer.b(SourceFile:780)
	at net.minecraft.server.MinecraftServer.c(SourceFile:162)
	at auh.y(SourceFile:125)
	at net.minecraft.server.MinecraftServer.bf(SourceFile:762)
	at net.minecraft.server.MinecraftServer.y(SourceFile:756)
	at auh.c(SourceFile:134)
	at net.minecraft.server.MinecraftServer.x(SourceFile:741)
	at net.minecraft.server.MinecraftServer.w(SourceFile:688)
	at net.minecraft.server.MinecraftServer.a(SourceFile:270)
	at java.base/java.lang.Thread.run(Thread.java:833)


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

-- System Details --
Details:
	Minecraft Version: 1.18 Pre-release 7
	Minecraft Version ID: 1.18-pre7
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 17.0.1, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
	Memory: 1670698688 bytes (1593 MiB) / 5536481280 bytes (5280 MiB) up to 6442450944 bytes (6144 MiB)
	CPUs: 12
	Processor Vendor: AuthenticAMD
	Processor Name: AMD Ryzen 5 3600 6-Core Processor              
	Identifier: AuthenticAMD Family 23 Model 113 Stepping 0
	Microarchitecture: Zen 2
	Frequency (GHz): 3.60
	Number of physical packages: 1
	Number of physical CPUs: 6
	Number of logical CPUs: 12
	Graphics card #0 name: NVIDIA GeForce RTX 2080 SUPER
	Graphics card #0 vendor: NVIDIA (0x10de)
	Graphics card #0 VRAM (MB): 4095.00
	Graphics card #0 deviceId: 0x1e81
	Graphics card #0 versionInfo: DriverVersion=30.0.14.7141
	Memory slot #0 capacity (MB): 8192.00
	Memory slot #0 clockSpeed (GHz): 2.67
	Memory slot #0 type: DDR4
	Memory slot #1 capacity (MB): 8192.00
	Memory slot #1 clockSpeed (GHz): 2.67
	Memory slot #1 type: DDR4
	Virtual memory max (MB): 24269.21
	Virtual memory used (MB): 17451.99
	Swap memory total (MB): 7936.00
	Swap memory used (MB): 792.17
	JVM Flags: 2 total; -Xmx6144M -Xms1024M
	Player Count: 2 / 8; [adj['Magiikarps'/105001, l='ServerLevel[world]', x=-139.83, y=58.06, z=-138.24], adj['crbd115'/148713, l='ServerLevel[world]', x=-407.67, y=47.94, z=-4296.88]]
	Data Packs: vanilla, file/treecapitator-v2-7-2.zip (incompatible), file/coordinates hud v1.2.0.zip (incompatible), file/exp-multiplier-1565120783.zip (incompatible)
	Is Modded: Probably not. Server jar signature and brand is untouched
	Type: Dedicated Server (map_server.txt)