Minecraft crash when loading NBT

When I use the new version to open my map created in old version, Minecraft often crashes. Here's my crash report.

18w50a: crash-2018-12-13_18.30.03-server.txt

---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3

Time: 18-12-13 下午6:30
Description: Loading NBT data

java.util.zip.ZipException: invalid distance too far back
	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 ud$$Lambda$2110/1920640232.get(Unknown Source)
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1582)
	at up.e(SourceFile:240)
	at up.b(SourceFile:156)
	at up.a(SourceFile:141)
	at bre.a(SourceFile:14)
	at bbp.a(SourceFile:1750)
	at akx.a(SourceFile:84)
	at ajc.a(SourceFile:94)
	at ahf.cQ(SourceFile:605)
	at ahe.k(SourceFile:2035)
	at ahf.k(SourceFile:474)
	at apu.k(SourceFile:33)
	at aqm.k(SourceFile:269)
	at ahe.W_(SourceFile:1886)
	at ahf.W_(SourceFile:285)
	at apu.W_(SourceFile:45)
	at aqm.W_(SourceFile:244)
	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 ud$$Lambda$2110/1920640232.get(Unknown Source)
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1582)
	at up.e(SourceFile:240)
	at up.b(SourceFile:156)
	at up.a(SourceFile:141)
	at bre.a(SourceFile:14)
	at bbp.a(SourceFile:1750)
	at akx.a(SourceFile:84)
	at ajc.a(SourceFile:94)
	at ahf.cQ(SourceFile:605)
	at ahe.k(SourceFile:2035)
	at ahf.k(SourceFile:474)
	at apu.k(SourceFile:33)
	at aqm.k(SourceFile:269)
	at ahe.W_(SourceFile:1886)
	at ahf.W_(SourceFile:285)
	at apu.W_(SourceFile:45)
	at aqm.W_(SourceFile:244)
	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)

-- Affected level --
Details:
	Level name: §1L§2O§3L
	All players: 1 total; [us['a_n_k_e_r'/310, l='§1L§2O§3L', x=-114.65, y=68.00, z=448.08]]
	Chunk stats: ServerChunkCache: 3222
	Level seed: -6332677349597841930
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-144,73,240), Chunk: (at 0,4,0 in -9,15; contains blocks -144,0,240 to -129,255,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 4205499 game time, 6139547 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 89284 (now: false), thunder time: 120621 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
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: 6805635904 bytes (6490 MB) / 8589934592 bytes (8192 MB) up to 17179869184 bytes (16384 MB)
	JVM Flags: 10 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx16G -Xms8G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Player Count: 1 / 8; [us['a_n_k_e_r'/310, l='§1L§2O§3L', x=-114.65, y=68.00, z=448.08]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.