---- Minecraft Crash Report ----
// Oh - I know what I did wrong!

Time: 3/15/19 11:31 PM
Description: Ticking block entity

java.lang.IllegalStateException: POI never registered at eu{x=-147, y=70, z=-226}
	at apa.a(SourceFile:72)
	at aoy.a(SourceFile:37)
	at vc.b(SourceFile:1271)
	at afy.execute(SourceFile:77)
	at vc.b(SourceFile:1270)
	at java.util.Optional.ifPresent(Optional.java:159)
	at vc.a(SourceFile:1270)
	at bfx.a(SourceFile:252)
	at blt.b(SourceFile:249)
	at blt.a(SourceFile:37)
	at blt$b.e(SourceFile:402)
	at agw.a(SourceFile:100)
	at bso.a(SourceFile:310)
	at bso.a(SourceFile:274)
	at bso.v(SourceFile:180)
	at bso.a(SourceFile:122)
	at bso.g(SourceFile:109)
	at bfx.K(SourceFile:620)
	at vc.a(SourceFile:400)
	at net.minecraft.server.MinecraftServer.b(SourceFile:816)
	at net.minecraft.server.MinecraftServer.a(SourceFile:755)
	at dwb.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:630)
	at java.lang.Thread.run(Thread.java:745)


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

-- Head --
Thread: Server thread
Stacktrace:
	at apa.a(SourceFile:72)
	at aoy.a(SourceFile:37)
	at vc.b(SourceFile:1271)
	at afy.execute(SourceFile:77)
	at vc.b(SourceFile:1270)
	at java.util.Optional.ifPresent(Optional.java:159)
	at vc.a(SourceFile:1270)
	at bfx.a(SourceFile:252)
	at blt.b(SourceFile:249)
	at blt.a(SourceFile:37)
	at blt$b.e(SourceFile:402)
	at agw.a(SourceFile:100)
	at bso.a(SourceFile:310)
	at bso.a(SourceFile:274)
	at bso.v(SourceFile:180)
	at bso.a(SourceFile:122)
	at bso.g(SourceFile:109)

-- Block entity being ticked --
Details:
	Name: minecraft:hopper // bso
	Block: Block{minecraft:hopper}[enabled=true,facing=down]
	Block location: World: (-147,71,-226), Chunk: (at 13,4,14 in -10,-15; contains blocks -160,0,-240 to -145,255,-225), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
	Block: Block{minecraft:hopper}[enabled=true,facing=down]
	Block location: World: (-147,71,-226), Chunk: (at 13,4,14 in -10,-15; contains blocks -160,0,-240 to -145,255,-225), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Stacktrace:
	at bfx.K(SourceFile:620)
	at vc.a(SourceFile:400)

-- Affected level --
Details:
	Level name: Survival 2.0+
	All players: 0 total; []
	Chunk stats: ServerChunkCache: 2025
	Level seed: -7724004430428946266
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-192,72,-224), Chunk: (at 0,4,0 in -12,-14; contains blocks -192,0,-224 to -177,255,-209), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
	Level time: 4913474 game time, 6798820 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 32854 (now: false), thunder time: 68092 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:816)
	at net.minecraft.server.MinecraftServer.a(SourceFile:755)
	at dwb.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:630)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 19w11b
	Operating System: Mac OS X (x86_64) version 10.14.2
	Java Version: 1.8.0_74, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 4015122040 bytes (3829 MB) / 5301600256 bytes (5056 MB) up to 6442450944 bytes (6144 MB)
	JVM Flags: 8 total; -Xss1M -Xmx6G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Player Count: 0 / 8; []
	Data Packs: vanilla, file/TJData (incompatible)
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.