Client Crash

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

Time: 6/29/19 12:49 PM
Description: Ticking entity

java.lang.ClassCastException: java.util.HashMap$Values cannot be cast to java.util.List
	at alfheim.common.entity.boss.EntityFlugel.func_70636_d(EntityFlugel.kt:357)
	at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1611)
	at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:272)
	at net.minecraft.world.World.func_72866_a(World.java:2070)
	at net.minecraft.world.World.func_72870_g(World.java:2034)
	at net.minecraft.world.World.func_72939_s(World.java:1887)
	at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:2006)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:973)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)
	at net.minecraft.client.main.Main.main(SourceFile:148)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:196)
	at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:231)
	at org.multimc.EntryPoint.listen(EntryPoint.java:143)
	at org.multimc.EntryPoint.main(EntryPoint.java:34)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at alfheim.common.entity.boss.EntityFlugel.func_70636_d(EntityFlugel.kt:357)
	at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1611)
	at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:272)
	at net.minecraft.world.World.func_72866_a(World.java:2070)
	at net.minecraft.world.World.func_72870_g(World.java:2034)
	at net.minecraft.world.World.func_72939_s(World.java:1887)

-- Entity being ticked --
Details:
	Entity Type: alfheim:Flugel (alfheim.common.entity.boss.EntityFlugel)
	Entity ID: 502235
	Entity Name: Τλώγελό
	Entity's Exact location: -995.50, 116.00, 185.50
	Entity's Block location: World: (-996,116,185), Chunk: (at 12,7,9 in -63,11; contains blocks -1008,0,176 to -993,255,191), Region: (-2,0; contains chunks -64,0 to -33,31, blocks -1024,0,0 to -513,255,511)
	Entity's Momentum: 0.00, -0.08, 0.00
Stacktrace:
	at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:2006)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [EntityClientPlayerMP['Gedeon_Grays'/271359, l='MpServer', x=-998.93, y=115.47, z=186.45]]
	Chunk stats: MultiplayerChunkCache: 81, 90
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options:
	Level spawn location: World: (-184,64,252), Chunk: (at 8,4,12 in -12,15; contains blocks -192,0,240 to -177,255,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 70032 game time, 70032 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: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 14 total; [EntityClientPlayerMP['Gedeon_Grays'/271359, l='MpServer', x=-998.93, y=115.47, z=186.45], EntityElf['έλότ'/498199, l='MpServer', x=-1055.50, y=61.00, z=117.50], EntityElf['έλότ'/498198, l='MpServer', x=-1050.50, y=76.00, z=135.50], EntityElf['έλότ'/498197, l='MpServer', x=-1048.50, y=76.00, z=135.50], EntityElf['έλότ'/498207, l='MpServer', x=-968.84, y=76.00, z=223.50], EntityElf['έλότ'/498202, l='MpServer', x=-1054.50, y=61.00, z=116.50], EntityElf['έλότ'/498201, l='MpServer', x=-1054.78, y=63.00, z=129.56], EntityElf['έλότ'/498209, l='MpServer', x=-970.34, y=77.00, z=225.59], EntityElf['έλότ'/498208, l='MpServer', x=-974.78, y=77.00, z=229.13], EntityElf['έλότ'/484027, l='MpServer', x=-997.50, y=74.00, z=164.78], EntityElf['έλότ'/496077, l='MpServer', x=-1051.50, y=77.00, z=130.50], EntityElf['έλότ'/496073, l='MpServer', x=-978.50, y=72.00, z=155.50], EntityFlugel['Τλώγελό'/502235, l='MpServer', x=-995.50, y=116.00, z=185.50], EntityElf['έλότ'/493177, l='MpServer', x=-937.50, y=31.00, z=183.50]]
	Retry entities: 0 total; []
	Server brand: fml,forge
	Server type: Integrated singleplayer server
Stacktrace:
	at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2444)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:919)
	at net.minecraft.client.main.Main.main(SourceFile:148)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:196)
	at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:231)
	at org.multimc.EntryPoint.listen(EntryPoint.java:143)
	at org.multimc.EntryPoint.main(EntryPoint.java:34)