---- Minecraft Crash Report ----
// Why is it breaking :(

Time: 29/11/18 9:10 PM
Description: Ticking player

java.lang.AbstractMethodError: bxx$$Lambda$1081/2031373582.a(Lcom/mojang/datafixers/Dynamic;)Ljava/lang/Object;
	at yg.a(SourceFile:18)
	at cat.<init>(SourceFile:44)
	at bvl$a.<init>(SourceFile:29)
	at bxc$$Lambda$1018/1502502072.load(Unknown Source)
	at cax.a(SourceFile:86)
	at bqu.a(SourceFile:614)
	at bqu.a(SourceFile:229)
	at ui.d(SourceFile:439)
	at ui$$Lambda$2048/1812642433.get(Unknown Source)
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1582)
	at ui$$Lambda$2059/1729027914.accept(Unknown Source)
	at java.util.ArrayList.forEach(ArrayList.java:1249)
	at ui.e(SourceFile:369)
	at ui.a(SourceFile:272)
	at baq.a(SourceFile:261)
	at baq.d(SourceFile:256)
	at baq.b(SourceFile:497)
	at agi.a(SourceFile:770)
	at uz.a(SourceFile:798)
	at np.a(SourceFile:126)
	at np$b.a(SourceFile:18)
	at jq.a(SourceFile:15)
	at jq$$Lambda$2299/97511581.run(Unknown Source)
	at qo.run(SourceFile:18)
	at net.minecraft.server.MinecraftServer.q(SourceFile:654)
	at net.minecraft.server.MinecraftServer.p(SourceFile:625)
	at net.minecraft.server.MinecraftServer.run(SourceFile:584)
	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 yg.a(SourceFile:18)
	at cat.<init>(SourceFile:44)
	at bvl$a.<init>(SourceFile:29)
	at bxc$$Lambda$1018/1502502072.load(Unknown Source)
	at cax.a(SourceFile:86)
	at bqu.a(SourceFile:614)
	at bqu.a(SourceFile:229)
	at ui.d(SourceFile:439)
	at ui$$Lambda$2048/1812642433.get(Unknown Source)
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1582)
	at ui$$Lambda$2059/1729027914.accept(Unknown Source)
	at java.util.ArrayList.forEach(ArrayList.java:1249)
	at ui.e(SourceFile:369)
	at ui.a(SourceFile:272)
	at baq.a(SourceFile:261)
	at baq.d(SourceFile:256)
	at baq.b(SourceFile:497)
	at agi.a(SourceFile:770)
	at uz.a(SourceFile:798)
	at np.a(SourceFile:126)

-- Player being ticked --
Details:
	Entity Type: minecraft:player (ul)
	Entity ID: 99
	Entity Name: yodagram1
	Entity's Exact location: -1167.50, 71.00, 624.50
	Entity's Block location: World: (-1168,71,624), Chunk: (at 0,4,0 in -73,39; contains blocks -1168,0,624 to -1153,255,639), Region: (-3,1; contains chunks -96,32 to -65,63, blocks -1536,0,512 to -1025,255,1023)
	Entity's Momentum: 0.00, 0.00, 0.00
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at uj.n_(SourceFile:337)
	at baq.m_(SourceFile:1010)
	at uj.m_(SourceFile:311)
	at net.minecraft.server.MinecraftServer.b(SourceFile:787)
	at net.minecraft.server.MinecraftServer.a(SourceFile:716)
	at dog.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:582)
	at java.lang.Thread.run(Thread.java:745)

-- Affected level --
Details:
	Level name: New World
	All players: 1 total; [ul['yodagram1'/99, l='New World', x=-1167.50, y=71.00, z=624.50]]
	Chunk stats: ServerChunkCache: 2644
	Level seed: 5764687649451328914
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-240,66,-16), Chunk: (at 0,4,0 in -15,-1; contains blocks -240,0,-16 to -225,255,-1), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
	Level time: 2138 game time, 2138 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 27467 (now: false), thunder time: 115897 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true

-- System Details --
Details:
	Minecraft Version: 18w48a
	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: 353743768 bytes (337 MB) / 973078528 bytes (928 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; [ul['yodagram1'/99, l='New World', x=-1167.50, y=71.00, z=624.50]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.