---- Minecraft Crash Report ----
// This is a token for 1 free hug. Redeem at your nearest Mojangsta: [~~HUG~~]

Time: 2015-11-07 18:39
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:107)
	at aym.a(SourceFile:127)
	at aym.a(SourceFile:84)
	at ayk.a(SourceFile:82)
	at ayk.a(SourceFile:40)
	at ayk.a(SourceFile:30)
	at vb.a(SourceFile:89)
	at va.a(SourceFile:53)
	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 rl.n(SourceFile:134)
	at vs.n(SourceFile:41)
	at rx.m(SourceFile:1550)
	at ry.m(SourceFile:275)
	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(Thread.java:745)


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:107)
	at aym.a(SourceFile:127)
	at aym.a(SourceFile:84)
	at ayk.a(SourceFile:82)
	at ayk.a(SourceFile:40)
	at ayk.a(SourceFile:30)
	at vb.a(SourceFile:89)
	at va.a(SourceFile:53)
	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 rl.n(SourceFile:134)
	at vs.n(SourceFile:41)
	at rx.m(SourceFile:1550)
	at ry.m(SourceFile:275)
	at ahn.a(SourceFile:1481)
	at lq.a(SourceFile:719)
	at ahn.g(SourceFile:1459)

-- Entity being ticked --
Details:
	Entity Type: Cow (vu)
	Entity ID: 150
	Entity Name: Cow
	Entity's Exact location: 34,55, 69,00, 277,55
	Entity's Block location: World: (34,69,277), Chunk: (at 2,4,5 in 2,17; contains blocks 32,0,272 to 47,255,287), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Entity's Momentum: 0,51, -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: Let's Play Snapshot
	All players: 1 total; [ls['PierreLeaf'/325, l='Let's Play Snapshot', x=31,99, y=68,00, z=277,93]]
	Chunk stats: ServerChunkCache: 625 Drop: 0
	Level seed: 8985648523840469214
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (20,64,244), Chunk: (at 4,4,4 in 1,15; contains blocks 16,0,240 to 31,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 7111037 game time, 7502345 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 84434 (now: false), thunder time: 3970 (now: false)
	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(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 15w45a
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 47301976 bytes (45 MB) / 331317248 bytes (315 MB) up to 2134114304 bytes (2035 MB)
	JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [ls['PierreLeaf'/325, l='Let's Play Snapshot', x=31,99, y=68,00, z=277,93]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.