---- Minecraft Crash Report ----
// I'm sorry, Dave.

Time: 13.03.19 23:17
Description: Ticking block entity

java.lang.IllegalStateException: POI never registered at eu{x=-53, y=61, z=28}
	at aoz.a(SourceFile:72)
	at aox.a(SourceFile:36)
	at vc.c(SourceFile:1274)
	at vc$$Lambda$2973/1763390182.run(Unknown Source)
	at afy.execute(SourceFile:77)
	at vc.a(SourceFile:1273)
	at bfy.a(SourceFile:252)
	at blu.b(SourceFile:249)
	at blu.a(SourceFile:37)
	at blu$b.e(SourceFile:402)
	at agw.a(SourceFile:100)
	at bsp.a(SourceFile:310)
	at bsp.a(SourceFile:274)
	at bsp.v(SourceFile:180)
	at bsp.a(SourceFile:122)
	at bsp.g(SourceFile:109)
	at bfy.K(SourceFile:620)
	at vc.a(SourceFile:401)
	at net.minecraft.server.MinecraftServer.b(SourceFile:814)
	at net.minecraft.server.MinecraftServer.a(SourceFile:753)
	at dwc.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:628)
	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 aoz.a(SourceFile:72)
	at aox.a(SourceFile:36)
	at vc.c(SourceFile:1274)
	at vc$$Lambda$2973/1763390182.run(Unknown Source)
	at afy.execute(SourceFile:77)
	at vc.a(SourceFile:1273)
	at bfy.a(SourceFile:252)
	at blu.b(SourceFile:249)
	at blu.a(SourceFile:37)
	at blu$b.e(SourceFile:402)
	at agw.a(SourceFile:100)
	at bsp.a(SourceFile:310)
	at bsp.a(SourceFile:274)
	at bsp.v(SourceFile:180)
	at bsp.a(SourceFile:122)
	at bsp.g(SourceFile:109)

-- Block entity being ticked --
Details:
	Name: minecraft:hopper // bsp
	Block: Block{minecraft:hopper}[enabled=true,facing=down]
	Block location: World: (-53,62,28), Chunk: (at 11,3,12 in -4,1; contains blocks -64,0,16 to -49,255,31), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Block: Block{minecraft:hopper}[enabled=true,facing=down]
	Block location: World: (-53,62,28), Chunk: (at 11,3,12 in -4,1; contains blocks -64,0,16 to -49,255,31), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Stacktrace:
	at bfy.K(SourceFile:620)
	at vc.a(SourceFile:401)

-- Affected level --
Details:
	Level name: Test 1.14
	All players: 1 total; [vd['Jhn13'/412, l='Test 1.14', x=-50.67, y=64.00, z=28.62]]
	Chunk stats: ServerChunkCache: 2401
	Level seed: -1105656428445005298
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-48,71,32), Chunk: (at 0,4,0 in -3,2; contains blocks -48,0,32 to -33,255,47), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 2690077 game time, 3077337 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 142271 (now: false), thunder time: 7014 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:814)
	at net.minecraft.server.MinecraftServer.a(SourceFile:753)
	at dwc.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:628)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 19w11a
	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: 2743446808 bytes (2616 MB) / 4294967296 bytes (4096 MB) up to 4294967296 bytes (4096 MB)
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Player Count: 1 / 8; [vd['Jhn13'/412, l='Test 1.14', x=-50.67, y=64.00, z=28.62]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.