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

Time: 23/05/16 2:02 PM
Description: Ticking entity

java.lang.IllegalArgumentException
	at ov.a(SourceFile:18)
	at ov.a(SourceFile:37)
	at ahk.i(SourceFile:136)
	at ahk.c(SourceFile:71)
	at aao.m(SourceFile:66)
	at aht.a(SourceFile:1517)
	at lq.a(SourceFile:717)
	at aht.g(SourceFile:1495)
	at aht.k(SourceFile:1385)
	at lq.k(SourceFile:550)
	at net.minecraft.server.MinecraftServer.D(SourceFile:626)
	at net.minecraft.server.MinecraftServer.C(SourceFile:554)
	at byl.C(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:458)
	at java.lang.Thread.run(Unknown Source)


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

-- Head --
Thread: Server thread
Stacktrace:
	at ov.a(SourceFile:18)
	at ov.a(SourceFile:37)
	at ahk.i(SourceFile:136)
	at ahk.c(SourceFile:71)
	at aao.m(SourceFile:66)
	at aht.a(SourceFile:1517)
	at lq.a(SourceFile:717)
	at aht.g(SourceFile:1495)

-- Entity being ticked --
Details:
	Entity Type: MinecartSpawner (aao)
	Entity ID: 24579
	Entity Name: entity.MinecartSpawner.name
	Entity's Exact location: 2081.46, 4.96, 145.56
	Entity's Block location: World: (2081,4,145), Chunk: (at 1,0,1 in 130,9; contains blocks 2080,0,144 to 2095,255,159), Region: (4,0; contains chunks 128,0 to 159,31, blocks 2048,0,0 to 2559,255,511)
	Entity's Momentum: 0.00, -0.04, 0.00
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at aht.k(SourceFile:1385)
	at lq.k(SourceFile:550)

-- Affected level --
Details:
	Level name: MC-89880
	All players: 1 total; [ls['Arcensoth'/27, l='MC-89880', x=2081.46, y=4.00, z=145.56]]
	Chunk stats: ServerChunkCache: 1089 Drop: 0
	Level seed: -4659485057857539084
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: 
	Level spawn location: World: (2074,4,154), Chunk: (at 10,0,10 in 129,9; contains blocks 2064,0,144 to 2079,255,159), Region: (4,0; contains chunks 128,0 to 159,31, blocks 2048,0,0 to 2559,255,511)
	Level time: 277 game time, 277 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 63067 (now: false), thunder time: 30861 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.D(SourceFile:626)
	at net.minecraft.server.MinecraftServer.C(SourceFile:554)
	at byl.C(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:458)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.9.4
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.8.0_92, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 87362056 bytes (83 MB) / 263716864 bytes (251 MB) up to 4250402816 bytes (4053 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4G -Xmn128M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [ls['Arcensoth'/27, l='MC-89880', x=2081.46, y=4.00, z=145.56]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.