---- Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 3/21/20 3:04PM
Description: Ticking entity

java.lang.IllegalArgumentException: Cannot get property cdv{name=eggs, clazz=class java.lang.Integer, values=[1, 2, 3, 4]} as it does not exist in Block{minecraft:air}
	at cct.c(SourceFile:93)
	at bzs.a(SourceFile:73)
	at bzs.a(SourceFile:67)
	at bzs.a(SourceFile:47)
	at amp.a(SourceFile:614)
	at amy.e(SourceFile:2014)
	at amy.l(SourceFile:2364)
	at amz.l(SourceFile:498)
	at azr.l(SourceFile:39)
	at amy.h(SourceFile:2175)
	at amz.h(SourceFile:303)
	at bad.h(SourceFile:86)
	at yh.a(SourceFile:586)
	at bng.a(SourceFile:570)
	at yh.a(SourceFile:401)
	at net.minecraft.server.MinecraftServer.b(SourceFile:860)
	at net.minecraft.server.MinecraftServer.a(SourceFile:799)
	at ekh.a(SourceFile:129)
	at net.minecraft.server.MinecraftServer.run(SourceFile:658)
	at java.lang.Thread.run(Thread.java:748)


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

-- Head --
Thread: Server thread
Stacktrace:
	at cct.c(SourceFile:93)
	at bzs.a(SourceFile:73)
	at bzs.a(SourceFile:67)
	at bzs.a(SourceFile:47)
	at amp.a(SourceFile:614)
	at amy.e(SourceFile:2014)
	at amy.l(SourceFile:2364)
	at amz.l(SourceFile:498)
	at azr.l(SourceFile:39)
	at amy.h(SourceFile:2175)
	at amz.h(SourceFile:303)
	at bad.h(SourceFile:86)
	at yh.a(SourceFile:586)

-- Entity being ticked --
Details:
	Entity Type: minecraft:spider (bad)
	Entity ID: 277
	Entity Name: Spider
	Entity's Exact location: -90.50, 35.44, 104.50
	Entity's Block location: World: (-91,35,104), Chunk: (at 5,2,8 in -6,6; contains blocks -96,0,96 to -81,255,111), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Entity's Momentum: 0.00, -0.00, 0.00
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at bng.a(SourceFile:570)
	at yh.a(SourceFile:401)

-- Affected level --
Details:
	All players: 1 total; [yi['ffcr'/127, l='yanzheng', x=-71.64, y=4.00, z=77.89]]
	Chunk stats: ServerChunkCache: 2142
	Level dimension: minecraft:overworld
	Level name: yanzheng
	Level seed: 3180208194618978200
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: NBT[{}]
	Level spawn location: World: (-176,4,32), Chunk: (at 0,0,0 in -11,2; contains blocks -176,0,32 to -161,255,47), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 37969 game time, 19965 day time
	Known server brands: vanilla
	Level was modded: false
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 18741 (now: false), thunder time: 18991 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:860)
	at net.minecraft.server.MinecraftServer.a(SourceFile:799)
	at ekh.a(SourceFile:129)
	at net.minecraft.server.MinecraftServer.run(SourceFile:658)
	at java.lang.Thread.run(Thread.java:748)

-- System Details --
Details:
	Minecraft Version: 20w12a
	Minecraft Version ID: 20w12a
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.8.0_131, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 3803397256 bytes (3627 MB) / 4294967296 bytes (4096 MB) up to 4294967296 bytes (4096 MB)
	CPUs: 12
	JVM Flags: 11 total; -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M -XX:-UseAdaptiveSizePolicy -XX:-OmitStackTraceInFastThrow -Xmn128m -Xmx4096m -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
	Player Count: 1 / 8; [yi['ffcr'/127, l='yanzheng', x=-71.64, y=4.00, z=77.89]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.