---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 21/07/21 08:11
Description: Ticking memory connection

java.lang.ClassCastException: bdc cannot be cast to net.minecraft.server.level.ServerPlayer
	at net.minecraft.server.level.ServerLevel.void addPlayer(net.minecraft.server.level.ServerPlayer)(ServerLevel.java:810)
	at net.minecraft.server.level.ServerLevel.void addNewPlayer(net.minecraft.server.level.ServerPlayer)(ServerLevel.java:798)
	at net.minecraft.server.players.PlayerList.void placeNewPlayer(net.minecraft.network.Connection,net.minecraft.server.level.ServerPlayer)(PlayerList.java:224)
	at net.minecraft.server.network.ServerLoginPacketListenerImpl.void handleAcceptedLogin()(ServerLoginPacketListenerImpl.java:113)
	at net.minecraft.server.network.ServerLoginPacketListenerImpl.void tick()(ServerLoginPacketListenerImpl.java:65)
	at net.minecraft.network.Connection.void tick()(Connection.java:228)
	at net.minecraft.server.network.ServerConnectionListener.void tick()(ServerConnectionListener.java:173)
	at net.minecraft.server.MinecraftServer.void tickChildren(java.util.function.BooleanSupplier)(MinecraftServer.java:882)
	at net.minecraft.server.MinecraftServer.void tickServer(java.util.function.BooleanSupplier)(MinecraftServer.java:811)
	at net.minecraft.server.MinecraftServer.boolean publishServer(net.minecraft.world.level.GameType,boolean,int)(MinecraftServer.java:811)
	at net.minecraft.server.MinecraftServer.boolean isSingleplayerOwner(com.mojang.authlib.GameProfile)(MinecraftServer.java:811)
	at net.minecraft.client.server.IntegratedServer.void tickServer(java.util.function.BooleanSupplier)(IntegratedServer.java:91)
	at net.minecraft.server.MinecraftServer.void runServer()(MinecraftServer.java:670)
	at net.minecraft.server.MinecraftServer.net.minecraft.server.MinecraftServer spin(java.util.function.Function)(MinecraftServer.java:257)
	at net.minecraft.server.MinecraftServer.boolean publishServer(net.minecraft.world.level.GameType,boolean,int)(MinecraftServer.java:257)
	at net.minecraft.server.MinecraftServer.boolean isSingleplayerOwner(com.mojang.authlib.GameProfile)(MinecraftServer.java:257)
	at net.minecraft.server.MinecraftServer.void lambda$spin$0(java.util.concurrent.atomic.AtomicReference)(MinecraftServer.java:257)
	at net.minecraft.server.MinecraftServer$$Lambda$4120/null 337313357(null).run(Unknown Source)
	at java.lang.Thread.null run(null)(Thread.java:745)


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
	Minecraft Version: 1.16.5
	Minecraft Version ID: 1.16.5
	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: 555369592 bytes (529 MB) / 1879048192 bytes (1792 MB) up to 2147483648 bytes (2048 MB)
	CPUs: 8
	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
	Player Count: 1 / 8; [aah['ampolive'/427, l='ServerLevel[New World1]', x=11.82, y=4.00, z=233.45]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.