---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 05.11.15 23:54
Description: Ticking entity

java.lang.IllegalArgumentException
	at ov.a(SourceFile:18)
	at ov.a(SourceFile:37)
	at ahe.i(SourceFile:129)
	at ahe.c(SourceFile:69)
	at yh.m(SourceFile:66)
	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 ov.a(SourceFile:18)
	at ov.a(SourceFile:37)
	at ahe.i(SourceFile:129)
	at ahe.c(SourceFile:69)
	at yh.m(SourceFile:66)
	at ahn.a(SourceFile:1481)
	at lq.a(SourceFile:719)
	at ahn.g(SourceFile:1459)

-- Entity being ticked --
Details:
	Entity Type: MinecartSpawner (yh)
	Entity ID: 3749927
	Entity Name: entity.MinecartSpawner.name
	Entity's Exact location: 753,50, 56,96, -1885,50
	Entity's Block location: World: (753,56,-1886), Chunk: (at 1,3,2 in 47,-118; contains blocks 752,0,-1888 to 767,255,-1873), Region: (1,-4; contains chunks 32,-128 to 63,-97, blocks 512,0,-2048 to 1023,255,-1537)
	Entity's Momentum: 0,00, -0,04, 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: Copy of Flatworld10
	All players: 1 total; [ls['Kumasasa'/3738025, l='Copy of Flatworld10', x=753,50, y=56,00, z=-1885,50]]
	Chunk stats: ServerChunkCache: 1761 Drop: 0
	Level seed: -1647892874704077833
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: 3;minecraft:bedrock,3*minecraft:stone,52*minecraft:sandstone;2;
	Level spawn location: World: (759,4,-1876), Chunk: (at 7,0,12 in 47,-118; contains blocks 752,0,-1888 to 767,255,-1873), Region: (1,-4; contains chunks 32,-128 to 63,-97, blocks 512,0,-2048 to 1023,255,-1537)
	Level time: 155 game time, 155 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 40500 (now: false), thunder time: 40039 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
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: 271530520 bytes (258 MB) / 634347520 bytes (604 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: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [ls['Kumasasa'/3738025, l='Copy of Flatworld10', x=753,50, y=56,00, z=-1885,50]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.