---- 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 aah at aag.f(SourceFile:810) at aag.c(SourceFile:798) at acu.a(SourceFile:224) at aba.c(SourceFile:113) at aba.b(SourceFile:65) at nd.a(SourceFile:228) at aax.c(SourceFile:173) at net.minecraft.server.MinecraftServer.b(SourceFile:882) at net.minecraft.server.MinecraftServer.a(SourceFile:811) at eng.a(SourceFile:91) at net.minecraft.server.MinecraftServer.w(SourceFile:670) at net.minecraft.server.MinecraftServer.a(SourceFile:257) at net.minecraft.server.MinecraftServer$$Lambda$4120/337313357.run(Unknown Source) at java.lang.Thread.run(Thread.java:745) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- 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.