---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 11/6/15 2:10 PM
Description: Ticking entity

java.lang.ClassCastException: ahw cannot be cast to ahn
	at aqo.a(SourceFile:148)
	at aqv$a.c(SourceFile:373)
	at aym.a(SourceFile:79)
	at ayk.a(SourceFile:82)
	at ayk.a(SourceFile:40)
	at ayk.a(SourceFile:30)
	at vb.a(SourceFile:89)
	at va.a(SourceFile:67)
	at vb.a(SourceFile:68)
	at vb.a(SourceFile:122)
	at uc.c(SourceFile:56)
	at th.a(SourceFile:102)
	at ry.cd(SourceFile:631)
	at rx.n(SourceFile:1688)
	at ry.n(SourceFile:484)
	at yv.n(SourceFile:35)
	at ze.n(SourceFile:154)
	at rx.m(SourceFile:1550)
	at ry.m(SourceFile:275)
	at yv.m(SourceFile:40)
	at ahn.a(SourceFile:1481)
	at lq.a(SourceFile:719)
	at ahn.g(SourceFile:1459)
	at ahn.k(SourceFile:1349)
	at lq.k(SourceFile:552)
	at net.minecraft.server.MinecraftServer.D(SourceFile:618)
	at net.minecraft.server.MinecraftServer.C(SourceFile:546)
	at bxx.C(SourceFile:154)
	at net.minecraft.server.MinecraftServer.run(SourceFile:450)
	at java.lang.Thread.run(Unknown Source)


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

-- Head --
Stacktrace:
	at aqo.a(SourceFile:148)
	at aqv$a.c(SourceFile:373)
	at aym.a(SourceFile:79)
	at ayk.a(SourceFile:82)
	at ayk.a(SourceFile:40)
	at ayk.a(SourceFile:30)
	at vb.a(SourceFile:89)
	at va.a(SourceFile:67)
	at vb.a(SourceFile:68)
	at vb.a(SourceFile:122)
	at uc.c(SourceFile:56)
	at th.a(SourceFile:102)
	at ry.cd(SourceFile:631)
	at rx.n(SourceFile:1688)
	at ry.n(SourceFile:484)
	at yv.n(SourceFile:35)
	at ze.n(SourceFile:154)
	at rx.m(SourceFile:1550)
	at ry.m(SourceFile:275)
	at yv.m(SourceFile:40)
	at ahn.a(SourceFile:1481)
	at lq.a(SourceFile:719)
	at ahn.g(SourceFile:1459)

-- Entity being ticked --
Details:
	Entity Type: Witch (ze)
	Entity ID: 10885
	Entity Name: Witch
	Entity's Exact location: -888.50, 64.00, -238.50
	Entity's Block location: World: (-889,64,-239), Chunk: (at 7,4,1 in -56,-15; contains blocks -896,0,-240 to -881,255,-225), Region: (-2,-1; contains chunks -64,-32 to -33,-1, blocks -1024,0,-512 to -513,255,-1)
	Entity's Momentum: 0.00, -0.08, 0.00
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at ahn.k(SourceFile:1349)
	at lq.k(SourceFile:552)

-- Affected level --
Details:
	Level name: 1.8 Server
	All players: 1 total; [ls['CarbonKey'/280, l='1.8 Server', x=-891.29, y=61.00, z=-215.76]]
	Chunk stats: ServerChunkCache: 1348 Drop: 0
	Level seed: 3002646
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (156,64,256), Chunk: (at 12,4,0 in 9,16; contains blocks 144,0,256 to 159,255,271), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 336538131 game time, 315004734 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 119951 (now: false), thunder time: 12824 (now: true)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.D(SourceFile:618)
	at net.minecraft.server.MinecraftServer.C(SourceFile:546)
	at bxx.C(SourceFile:154)
	at net.minecraft.server.MinecraftServer.run(SourceFile:450)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 15w45a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_65, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 969439184 bytes (924 MB) / 2004353024 bytes (1911 MB) up to 4151836672 bytes (3959 MB)
	JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4096M -Xms2048M -XX:MaxPermSize=256M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn1365M
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [ls['CarbonKey'/280, l='1.8 Server', x=-891.29, y=61.00, z=-215.76]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.