---- Minecraft Crash Report ----
// Why did you do that?Time: 31.10.18 17:33
Description: Ticking block entity

java.lang.IllegalArgumentException: Cannot get property bog{name=enabled, clazz=class java.lang.Boolean, values=[true, false]} as it does not exist in Block{minecraft:stone}
	at bnf.c(SourceFile:95)
	at blz.a(SourceFile:138)
	at blz.Z_(SourceFile:129)
	at azt.n_(SourceFile:1068)
	at ua.n_(SourceFile:296)
	at net.minecraft.server.MinecraftServer.b(SourceFile:756)
	at net.minecraft.server.MinecraftServer.a(SourceFile:685)
	at dlv.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:573)
	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 bnf.c(SourceFile:95)
	at blz.a(SourceFile:138)
	at blz.Z_(SourceFile:129)-- Block entity being ticked --

Details:
	Name: minecraft:hopper // blz
	Block: Block{minecraft:stone}
	Block location: World: (-385,6,321), Chunk: (at 15,0,1 in -25,20; contains blocks -400,0,320 to -385,255,335), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Block: Block{minecraft:stone}
	Block location: World: (-385,6,321), Chunk: (at 15,0,1 in -25,20; contains blocks -400,0,320 to -385,255,335), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)

Stacktrace:
	at azt.n_(SourceFile:1068)
	at ua.n_(SourceFile:296)

-- Affected level --
Details:
	Level name: hardcore
	All players: 0 total; []
	Chunk stats: ServerChunkCache: 2025
	Level seed: 2429879850955639764
	Level generator: ID 03 - amplified, ver 0. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-399,122,329), Chunk: (at 1,7,9 in -25,20; contains blocks -400,0,320 to -385,255,335), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 39884077 game time, 32408364 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 34931 (now: false), thunder time: 130706 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false

Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:756)
	at net.minecraft.server.MinecraftServer.a(SourceFile:685)
	at dlv.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:573)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 18w44a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_191, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 873526480 bytes (833 MB) / 1644167168 bytes (1568 MB) up to 3817865216 bytes (3641 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G
	Player Count: 0 / 8; []
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.