Crash Report

---- Minecraft Crash Report ----
// Ooh. Shiny.

Time: 29/09/16 12:54
Description: Ticking block entity

java.lang.NullPointerException: Ticking block entity
	at asg.b(SourceFile:316)
	at asg.c(SourceFile:372)
	at asg.b(SourceFile:401)
	at asi.a(SourceFile:345)
	at asi.a(SourceFile:364)
	at asi.a(SourceFile:332)
	at asi.J(SourceFile:193)
	at asi.o(SourceFile:135)
	at asi.F_(SourceFile:122)
	at ajl.k(SourceFile:1429)
	at lv.k(SourceFile:549)
	at net.minecraft.server.MinecraftServer.D(SourceFile:634)
	at net.minecraft.server.MinecraftServer.C(SourceFile:562)
	at cby.C(SourceFile:154)
	at net.minecraft.server.MinecraftServer.run(SourceFile:466)
	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 asg.b(SourceFile:316)
	at asg.c(SourceFile:372)
	at asg.b(SourceFile:401)
	at asi.a(SourceFile:345)
	at asi.a(SourceFile:364)
	at asi.a(SourceFile:332)
	at asi.J(SourceFile:193)
	at asi.o(SourceFile:135)
	at asi.F_(SourceFile:122)

-- Block entity being ticked --
Details:
	Name: minecraft:hopper // asi
	Block type: ID #154 (tile.hopper // aoa)
	Block data value: 5 / 0x5 / 0b0101
	Block location: World: (-411,72,-922), Chunk: (at 5,4,6 in -26,-58; contains blocks -416,0,-928 to -401,255,-913), Region: (-1,-2; contains chunks -32,-64 to -1,-33, blocks -512,0,-1024 to -1,255,-513)
	Actual block type: ID #154 (tile.hopper // aoa)
	Actual block data value: 5 / 0x5 / 0b0101
Stacktrace:
	at ajl.k(SourceFile:1429)
	at lv.k(SourceFile:549)

-- Affected level --
Details:
	Level name: 16w39a
	All players: 1 total; [lx['DeadPixel_HD'/2, l='16w39a', x=-411.15, y=72.00, z=-920.48]]
	Chunk stats: ServerChunkCache: 1251 Drop: 0
	Level seed: -5775834879966399267
	Level generator: ID 04 - customized, ver 0. Features enabled: true
	Level generator options: {"coordinateScale":684.412,"heightScale":684.412,"lowerLimitScale":512.0,"upperLimitScale":512.0,"depthNoiseScaleX":200.0,"depthNoiseScaleZ":200.0,"depthNoiseScaleExponent":0.5,"mainNoiseScaleX":80.0,"mainNoiseScaleY":160.0,"mainNoiseScaleZ":80.0,"baseSize":8.5,"stretchY":12.0,"biomeDepthWeight":1.0,"biomeDepthOffset":0.0,"biomeScaleWeight":1.0,"biomeScaleOffset":0.0,"seaLevel":63,"useCaves":true,"useDungeons":true,"dungeonChance":22,"useStrongholds":true,"useVillages":true,"useMineShafts":true,"useTemples":true,"useMonuments":true,"useMansions":true,"useRavines":true,"useWaterLakes":true,"waterLakeChance":4,"useLavaLakes":true,"lavaLakeChance":80,"useLavaOceans":false,"fixedBiome":-1,"biomeSize":4,"riverSize":4,"dirtSize":33,"dirtCount":10,"dirtMinHeight":0,"dirtMaxHeight":256,"gravelSize":33,"gravelCount":8,"gravelMinHeight":0,"gravelMaxHeight":256,"graniteSize":1,"graniteCount":0,"graniteMinHeight":0,"graniteMaxHeight":80,"dioriteSize":1,"dioriteCount":0,"dioriteMinHeight":0,"dioriteMaxHeight":80,"andesiteSize":1,"andesiteCount":0,"andesiteMinHeight":0,"andesiteMaxHeight":80,"coalSize":17,"coalCount":25,"coalMinHeight":0,"coalMaxHeight":128,"ironSize":18,"ironCount":20,"ironMinHeight":0,"ironMaxHeight":64,"goldSize":18,"goldCount":4,"goldMinHeight":0,"goldMaxHeight":32,"redstoneSize":16,"redstoneCount":16,"redstoneMinHeight":0,"redstoneMaxHeight":16,"diamondSize":16,"diamondCount":2,"diamondMinHeight":0,"diamondMaxHeight":16,"lapisSize":14,"lapisCount":2,"lapisCenterHeight":16,"lapisSpread":16}
	Level spawn location: World: (-64,64,248), Chunk: (at 0,4,8 in -4,15; contains blocks -64,0,240 to -49,255,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 23899 game time, 11561 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 75904 (now: false), thunder time: 102491 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.D(SourceFile:634)
	at net.minecraft.server.MinecraftServer.C(SourceFile:562)
	at cby.C(SourceFile:154)
	at net.minecraft.server.MinecraftServer.run(SourceFile:466)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 16w39a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_92, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 184143080 bytes (175 MB) / 546832384 bytes (521 MB) up to 11453595648 bytes (10923 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx12G
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [lx['DeadPixel_HD'/2, l='16w39a', x=-411.15, y=72.00, z=-920.48]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.