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

Time: 12/12/18 7:56 PM
Description: Loading NBT data

java.util.zip.ZipException: incorrect data check
	at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:164)
	at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
	at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
	at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
	at java.io.DataInputStream.readFully(DataInputStream.java:195)
	at java.io.DataInputStream.readFully(DataInputStream.java:169)
	at hp.a(SourceFile:57)
	at hs.a(SourceFile:437)
	at hs.a(SourceFile:81)
	at hy.a(SourceFile:69)
	at hs.a(SourceFile:437)
	at hs.a(SourceFile:81)
	at hs.a(SourceFile:437)
	at hs.a(SourceFile:81)
	at ic.a(SourceFile:119)
	at ic.a(SourceFile:84)
	at ic.a(SourceFile:80)
	at bry.a(SourceFile:106)
	at bry.b(SourceFile:90)
	at bry.a(SourceFile:144)
	at ud.c(SourceFile:291)
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590)
	at up.e(SourceFile:240)
	at up.b(SourceFile:156)
	at up.a(SourceFile:141)
	at bbp.a(SourceFile:263)
	at bbt.a(SourceFile:118)
	at bbp.c(SourceFile:258)
	at bbp.b(SourceFile:499)
	at bbp.a(SourceFile:669)
	at ahe.D(SourceFile:2214)
	at all.a(SourceFile:32)
	at alc.a(SourceFile:140)
	at alc.a(SourceFile:148)
	at akx.a(SourceFile:56)
	at bbp.a(SourceFile:2012)
	at akx.a(SourceFile:68)
	at amn$a.a(SourceFile:256)
	at ajc.a(SourceFile:94)
	at ahf.cQ(SourceFile:605)
	at ahe.k(SourceFile:2035)
	at ahf.k(SourceFile:474)
	at ags.k(SourceFile:134)
	at ama.k(SourceFile:47)
	at ahe.W_(SourceFile:1886)
	at ahf.W_(SourceFile:285)
	at amn.W_(SourceFile:149)
	at bbp.a(SourceFile:1167)
	at uq.a(SourceFile:391)
	at bbp.g(SourceFile:1147)
	at bbp.m_(SourceFile:1029)
	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 java.util.zip.InflaterInputStream.read(InflaterInputStream.java:164)
	at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
	at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
	at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
	at java.io.DataInputStream.readFully(DataInputStream.java:195)
	at java.io.DataInputStream.readFully(DataInputStream.java:169)
	at hp.a(SourceFile:57)

-- NBT Tag --
Details:
	Tag name: SkyLight
	Tag type: 7
Stacktrace:
	at hs.a(SourceFile:437)
	at hs.a(SourceFile:81)
	at hy.a(SourceFile:69)
	at hs.a(SourceFile:437)
	at hs.a(SourceFile:81)
	at hs.a(SourceFile:437)
	at hs.a(SourceFile:81)
	at ic.a(SourceFile:119)
	at ic.a(SourceFile:84)
	at ic.a(SourceFile:80)
	at bry.a(SourceFile:106)
	at bry.b(SourceFile:90)
	at bry.a(SourceFile:144)
	at ud.c(SourceFile:291)
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590)
	at up.e(SourceFile:240)
	at up.b(SourceFile:156)
	at up.a(SourceFile:141)
	at bbp.a(SourceFile:263)
	at bbt.a(SourceFile:118)
	at bbp.c(SourceFile:258)
	at bbp.b(SourceFile:499)
	at bbp.a(SourceFile:669)
	at ahe.D(SourceFile:2214)
	at all.a(SourceFile:32)
	at alc.a(SourceFile:140)
	at alc.a(SourceFile:148)
	at akx.a(SourceFile:56)
	at bbp.a(SourceFile:2012)
	at akx.a(SourceFile:68)
	at amn$a.a(SourceFile:256)
	at ajc.a(SourceFile:94)
	at ahf.cQ(SourceFile:605)
	at ahe.k(SourceFile:2035)
	at ahf.k(SourceFile:474)
	at ags.k(SourceFile:134)
	at ama.k(SourceFile:47)
	at ahe.W_(SourceFile:1886)
	at ahf.W_(SourceFile:285)
	at amn.W_(SourceFile:149)
	at bbp.a(SourceFile:1167)
	at uq.a(SourceFile:391)
	at bbp.g(SourceFile:1147)

-- Entity being ticked --
Details:
	Entity Type: minecraft:polar_bear (amn)
	Entity ID: 107
	Entity Name: Polar Bear
	Entity's Exact location: 133.00, 63.00, -179.00
	Entity's Block location: World: (133,63,-179), Chunk: (at 5,3,13 in 8,-12; contains blocks 128,0,-192 to 143,255,-177), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Entity's Momentum: 0.00, -0.08, 0.00
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at bbp.m_(SourceFile:1029)
	at uq.m_(SourceFile:307)

-- Affected level --
Details:
	Level name: New World
	All players: 1 total; [us['useydess'/328, l='New World', x=809.53, y=64.00, z=-1270.52]]
	Chunk stats: ServerChunkCache: 4881
	Level seed: 582354469576383959
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (228,64,-89), Chunk: (at 4,4,7 in 14,-6; contains blocks 224,0,-96 to 239,255,-81), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Level time: 1561633 game time, 25483 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 34414 (now: false), thunder time: 11498 (now: false)
	Level game mode: Game mode: survival (ID 0). 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: Mac OS X (x86_64) version 10.13.6
	Java Version: 1.8.0_74, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 959820192 bytes (915 MB) / 1979711488 bytes (1888 MB) up to 2147483648 bytes (2048 MB)
	JVM Flags: 8 total; -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Player Count: 1 / 8; [us['useydess'/328, l='New World', x=809.53, y=64.00, z=-1270.52]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.