---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 12/23/18 12:43 AM
Description: Ticking entity

java.lang.ClassCastException: ale cannot be cast to alf
	at akg.c(SourceFile:21)
	at ajc.a(SourceFile:102)
	at ahf.cQ(SourceFile:609)
	at ahe.k(SourceFile:2035)
	at ahf.k(SourceFile:474)
	at apu.k(SourceFile:33)
	at apc.k(SourceFile:137)
	at ahe.W_(SourceFile:1886)
	at ahf.W_(SourceFile:285)
	at apu.W_(SourceFile:45)
	at agv.aJ(SourceFile:1688)
	at ahe.aJ(SourceFile:2176)
	at apc.aJ(SourceFile:142)
	at bbp.a(SourceFile:1164)
	at uq.a(SourceFile:391)
	at bbp.g(SourceFile:1147)
	at bbp.a(SourceFile:1212)
	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 akg.c(SourceFile:21)
	at ajc.a(SourceFile:102)
	at ahf.cQ(SourceFile:609)
	at ahe.k(SourceFile:2035)
	at ahf.k(SourceFile:474)
	at apu.k(SourceFile:33)
	at apc.k(SourceFile:137)
	at ahe.W_(SourceFile:1886)
	at ahf.W_(SourceFile:285)
	at apu.W_(SourceFile:45)
	at agv.aJ(SourceFile:1688)
	at ahe.aJ(SourceFile:2176)
	at apc.aJ(SourceFile:142)
	at bbp.a(SourceFile:1164)
	at uq.a(SourceFile:391)
	at bbp.g(SourceFile:1147)
	at bbp.a(SourceFile:1212)
	at uq.a(SourceFile:391)
	at bbp.g(SourceFile:1147)

-- Entity being ticked --
Details:
	Entity Type: minecraft:parrot (aml)
	Entity ID: 2090
	Entity Name: Parrot
	Entity's Exact location: 219.79, 78.00, -30.03
	Entity's Block location: World: (219,78,-31), Chunk: (at 11,4,1 in 13,-2; contains blocks 208,0,-32 to 223,255,-17), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Entity's Momentum: 0.00, -0.05, 0.00
	Entity's Passengers: [aqd['Skeleton'/2091, l='lols;ss', x=219.79, y=78.00, z=-30.03]]
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at bbp.m_(SourceFile:1029)
	at uq.m_(SourceFile:307)

-- Affected level --
Details:
	Level name: lols;ss
	All players: 1 total; [us['Asteraoth'/672, l='lols;ss', x=219.79, y=78.00, z=-30.03]]
	Chunk stats: ServerChunkCache: 2809
	Level seed: 141186477303658326
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (224,77,-34), Chunk: (at 0,4,14 in 14,-3; contains blocks 224,0,-48 to 239,255,-33), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Level time: 224 game time, 224 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 96069 (now: false), thunder time: 98528 (now: false)
	Level game mode: Game mode: creative (ID 1). 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: 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: 253310944 bytes (241 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=16M
	Player Count: 1 / 8; [us['Asteraoth'/672, l='lols;ss', x=219.79, y=78.00, z=-30.03]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.