---- Minecraft Crash Report ----
// Oops.

Time: 20/12/18 10:17 AM
Description: Ticking block entity

java.lang.IllegalArgumentException: Cannot get property bqe{name=enabled, clazz=class java.lang.Boolean, values=[true, false]} as it does not exist in Block{minecraft:air}
	at bpl.c(SourceFile:95)
	at boe.a(SourceFile:133)
	at boe.e(SourceFile:124)
	at bbp.m_(SourceFile:1071)
	at uq.m_(SourceFile:307)
	at net.minecraft.server.MinecraftServer.b(SourceFile:844)
	at net.minecraft.server.MinecraftServer.a(SourceFile:773)
	at dqk.a(SourceFile:125)
	at net.minecraft.server.MinecraftServer.run(SourceFile:639)
	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 bpl.c(SourceFile:95)
	at boe.a(SourceFile:133)
	at boe.e(SourceFile:124)

-- Block entity being ticked --
Details:
	Name: minecraft:hopper // boe
	Block: Block{minecraft:air}
	Block location: World: (-41,73,30), Chunk: (at 7,4,14 in -3,1; contains blocks -48,0,16 to -33,255,31), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Block: Block{minecraft:air}
	Block location: World: (-41,73,30), Chunk: (at 7,4,14 in -3,1; contains blocks -48,0,16 to -33,255,31), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Stacktrace:
	at bbp.m_(SourceFile:1071)
	at uq.m_(SourceFile:307)

-- Affected level --
Details:
	Level name: Creations in the World
	All players: 1 total; [us['Nixinova'/2257, l='Creations in the World', x=-223.25, y=82.90, z=149.34]]
	Chunk stats: ServerChunkCache: 2203
	Level seed: 734713912
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-256,64,125), Chunk: (at 0,4,13 in -16,7; contains blocks -256,0,112 to -241,255,127), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 866 game time, 866 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 85137 (now: false), thunder time: 124969 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:844)
	at net.minecraft.server.MinecraftServer.a(SourceFile:773)
	at dqk.a(SourceFile:125)
	at net.minecraft.server.MinecraftServer.run(SourceFile:639)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 18w50a
	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: 741844224 bytes (707 MB) / 2013265920 bytes (1920 MB) up to 2147483648 bytes (2048 MB)
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Player Count: 1 / 8; [us['Nixinova'/2257, l='Creations in the World', x=-223.25, y=82.90, z=149.34]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.