---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 2/25/18 9:42 AM
Description: Exception generating new chunk

java.util.concurrent.ExecutionException: java.lang.RuntimeException: Tried to load a block entity at a wrong location. ec{x=250, y=49, z=182}
	at java.util.concurrent.CompletableFuture.reportGet(Unknown Source)
	at java.util.concurrent.CompletableFuture.get(Unknown Source)
	at rw.c(SourceFile:129)
	at sd.a(SourceFile:84)
	at se.c(SourceFile:143)
	at rx.k_(SourceFile:219)
	at net.minecraft.server.MinecraftServer.w(SourceFile:694)
	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
	at cxd.v(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.RuntimeException: Tried to load a block entity at a wrong location. ec{x=250, y=49, z=182}
	at bhs.B(SourceFile:1093)
	at bhs.G(SourceFile:1148)
	at ru.a(SourceFile:33)
	at ru.put(SourceFile:11)
	at it.unimi.dsi.fastutil.longs.Long2ObjectMaps$SynchronizedMap.put(Long2ObjectMaps.java:371)
	at rw.a(SourceFile:207)
	at java.util.concurrent.CompletableFuture.uniApply(Unknown Source)
	at java.util.concurrent.CompletableFuture$UniApply.tryFire(Unknown Source)
	at java.util.concurrent.CompletableFuture.postComplete(Unknown Source)
	at java.util.concurrent.CompletableFuture.postFire(Unknown Source)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(Unknown Source)
	at java.util.concurrent.CompletableFuture$Completion.exec(Unknown Source)
	at java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(Unknown Source)
	at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
	at java.util.concurrent.ForkJoinWorkerThread.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 java.util.concurrent.CompletableFuture.reportGet(Unknown Source)

-- Chunk to be generated --
Details:
	Location: 16,12
	Position hash: 51539607568
	Generator: biz@cbcb23
Stacktrace:
	at rw.a(SourceFile:178)
	at rw.c(SourceFile:132)
	at sd.a(SourceFile:84)
	at se.c(SourceFile:143)
	at rx.k_(SourceFile:219)
	at net.minecraft.server.MinecraftServer.w(SourceFile:694)
	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
	at cxd.v(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
	at java.lang.Thread.run(Unknown Source)

-- Affected level --
Details:
	Level name: get the elytra
	All players: 1 total; [rz['epicmank3'/301, l='get the elytra', x=18.88, y=70.00, z=49.27]]
	Chunk stats: ServerChunkCache: 1031 Drop: 0
	Level seed: 4517112671235171185
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (0,0,0), Chunk: (at 0,0,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 0 game time, 0 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: ~~ERROR~~ NullPointerException: null

-- System Details --
Details:
	Minecraft Version: 18w08b
	Operating System: Windows 8.1 (amd64) version 6.3
	Java Version: 1.8.0_151, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 198871408 bytes (189 MB) / 535707648 bytes (510 MB) up to 1060372480 bytes (1011 MB)
	JVM Flags: 6 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [rz['epicmank3'/301, l='get the elytra', x=18.88, y=70.00, z=49.27]]
	Data Packs: vanilla, file/custom_crafting (incompatible)
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.