Since updating server to 19w11a, I've gotton the following crash report twice in the space of 3 minutes:
---- Minecraft Crash Report ----
// Ouch. That hurt :(
Time: 3/13/19 6:53 PM
Description: Ticking block entity
java.lang.IllegalStateException: POI never registered at eu\{x=388, y=96, z=-825}
at aoz.a(SourceFile:72)
at aox.a(SourceFile:36)
at vc.c(SourceFile:1274)
at afy.execute(SourceFile:77)
at vc.a(SourceFile:1273)
at bfy.a(SourceFile:252)
at brr.g(SourceFile:294)
at bfy.K(SourceFile:620)
at vc.a(SourceFile:401)
at net.minecraft.server.MinecraftServer.b(SourceFile:814)
at ud.b(SourceFile:343)
at net.minecraft.server.MinecraftServer.a(SourceFile:753)
at net.minecraft.server.MinecraftServer.run(SourceFile:628)
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 aoz.a(SourceFile:72)
at aox.a(SourceFile:36)
at vc.c(SourceFile:1274)
at afy.execute(SourceFile:77)
at vc.a(SourceFile:1273)
at bfy.a(SourceFile:252)
at brr.g(SourceFile:294)
– Block entity being ticked –
Details:
Name: minecraft:blast_furnace // brz
Block: Block\{minecraft:blast_furnace}[facing=south,lit=true]
Block location: World: (388,96,-825), Chunk: (at 4,6,7 in 24,-52; contains blocks 384,0,-832 to 399,255,-817), Region: (0,-2; contains chunks 0,-64 to 31,-33, blocks 0,0,-1024 to 511,255,-513)
Block: Block\{minecraft:blast_furnace}[facing=south,lit=true]
Block location: World: (388,96,-825), Chunk: (at 4,6,7 in 24,-52; contains blocks 384,0,-832 to 399,255,-817), Region: (0,-2; contains chunks 0,-64 to 31,-33, blocks 0,0,-1024 to 511,255,-513)
Stacktrace:
at bfy.K(SourceFile:620)
at vc.a(SourceFile:401)
– Affected level –
Details:
Level name: world
All players: 2 total; [vd['UKSFM99'/224, l='world', x=314.53, y=95.94, z=-788.70], vd['xd_Jaayy'/592, l='world', x=388.28, y=96.00, z=-822.37]]
Chunk stats: ServerChunkCache: 2426
Level seed: -2594652770937011609
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options: {}
Level spawn location: World: (338,71,-860), Chunk: (at 2,4,4 in 21,-54; contains blocks 336,0,-864 to 351,255,-849), Region:
Level time: 31555418 game time, 460728 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 49393 (now: false), thunder time: 90249 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
at net.minecraft.server.MinecraftServer.b(SourceFile:814)
at ud.b(SourceFile:343)
at net.minecraft.server.MinecraftServer.a(SourceFile:753)
at net.minecraft.server.MinecraftServer.run(SourceFile:628)
at java.lang.Thread.run(Thread.java:748)
– System Details –
Details:
Minecraft Version: 19w11a
Operating System: Linux (amd64) version 5.0.0-zen1-1-zen
Java Version: 1.8.0_202, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 3631398744 bytes (3463 MB) / 4277534720 bytes (4079 MB) up to 6425018368 bytes (6127 MB)
JVM Flags: 9 total; -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSIncrementalPacing -XX:ParallelGCThreads=2 -XX:+Aggressiv
Player Count: 2 / 20; [vd['UKSFM99'/224, l='world', x=314.53, y=95.94, z=-788.70], vd['xd_Jaayy'/592, l='world', x=388.28, y=
Data Packs: vanilla, file/TreeCapitator v2.4.0.zip (incompatible), file/double shulker shells v1.0.0.zip (incompatible), file
zip (incompatible), file/universal dyeing v1.0.0.zip (incompatible)
Is Modded: Unknown (can't tell)
Linked issues
Comments


no, all done in the last snapshot (19w09a)

Looks like my issue is a duplicate of this (may want to merge them), and my blast furnaces were placed in either 19w08b or 19w09a.

Duplicate of https://bugs.mojang.com/browse/MC-145694

Duplicate of MC-145694
Was the affected block(s) placed in 19w08a by any chance?