---- Minecraft Crash Report ----
// Why did you do that?

Time: 3/17/19 5:45 PM
Description: Ticking block entity

java.lang.IllegalStateException: POI never registered at eu{x=17, y=63, z=139}
	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(Unknown Source)
	at vc.a(SourceFile:1270)
	at bfx.a(SourceFile:252)
	at bsb.g(SourceFile:155)
	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(Unknown Source)


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(Unknown Source)
	at vc.a(SourceFile:1270)
	at bfx.a(SourceFile:252)
	at bsb.g(SourceFile:155)

-- Block entity being ticked --
Details:
	Name: minecraft:brewing_stand // bsb
	Block: Block{minecraft:brewing_stand}[has_bottle_0=true,has_bottle_1=false,has_bottle_2=false]
	Block location: World: (17,63,139), Chunk: (at 1,3,11 in 1,8; contains blocks 16,0,128 to 31,255,143), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Block: Block{minecraft:brewing_stand}[has_bottle_0=true,has_bottle_1=false,has_bottle_2=false]
	Block location: World: (17,63,139), Chunk: (at 1,3,11 in 1,8; contains blocks 16,0,128 to 31,255,143), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Stacktrace:
	at bfx.K(SourceFile:620)
	at vc.a(SourceFile:400)

-- Affected level --
Details:
	Level name: Backup
	All players: 1 total; [vd['Mordo'/192, l='Backup', x=17.69, y=63.00, z=141.97]]
	Chunk stats: ServerChunkCache: 2254
	Level seed: 456455214554
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-128,65,9), Chunk: (at 0,4,9 in -8,0; contains blocks -128,0,0 to -113,255,15), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 1530928 game time, 1879371 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 46201 (now: false), thunder time: 166834 (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(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 19w11b
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.8.0_201, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 122780256 bytes (117 MB) / 918355968 bytes (875 MB) up to 3277062144 bytes (3125 MB)
	JVM Flags: 5 total; -Xmn128M -Xmx3138M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -XX:+UseConcMarkSweepGC
	Player Count: 1 / 8; [vd['Mordo'/192, l='Backup', x=17.69, y=63.00, z=141.97]]
	Data Packs: vanilla, file/TreeCapitator v2.5.1.zip (incompatible), file/Disenchanting_1.0.zip (incompatible), file/vm_2.zip (incompatible)
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.