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

Time: 11/01/15 15:03
Description: Ticking entity

java.lang.NullPointerException: Ticking entity
	at ayv.f(SourceFile:263)
	at are.b(SourceFile:123)
	at are.a(SourceFile:59)
	at sp.a(SourceFile:514)
	at wx.c(SourceFile:1749)
	at wx.K(SourceFile:303)
	at wx.t_(SourceFile:266)
	at xm.t_(SourceFile:69)
	at aqr.a(SourceFile:1407)
	at qu.a(SourceFile:600)
	at aqr.g(SourceFile:1385)
	at aqr.i(SourceFile:1278)
	at qu.i(SourceFile:478)
	at net.minecraft.server.MinecraftServer.A(SourceFile:608)
	at net.minecraft.server.MinecraftServer.z(SourceFile:532)
	at cyk.z(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:448)
	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 ayv.f(SourceFile:263)
	at are.b(SourceFile:123)
	at are.a(SourceFile:59)
	at sp.a(SourceFile:514)
	at wx.c(SourceFile:1749)
	at wx.K(SourceFile:303)
	at wx.t_(SourceFile:266)
	at xm.t_(SourceFile:69)
	at aqr.a(SourceFile:1407)
	at qu.a(SourceFile:600)
	at aqr.g(SourceFile:1385)

-- Entity being ticked --
Details:
	Entity Type: XPOrb (xm)
	Entity ID: 2629224
	Entity Name: Orbe d'expérience
	Entity's Exact location: 18,00, 64,13, 34,00
	Entity's Block location: 18,00,64,00,34,00 - World: (18,64,34), Chunk: (at 2,4,2 in 1,2; contains blocks 16,0,32 to 31,255,47), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Entity's Momentum: -0,18, 0,13, 0,00
	Entity's Rider: ~~ERROR~~ NullPointerException: null
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at aqr.i(SourceFile:1278)
	at qu.i(SourceFile:478)

-- Affected level --
Details:
	Level name: Serious
	All players: 1 total; [qx['NICOLAS67'/334, l='Serious', x=149,81, y=64,00, z=277,31]]
	Chunk stats: ServerChunkCache: 404 Drop: 0
	Level seed: 1817108930701058316
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: 244,00,64,00,256,00 - World: (244,64,256), Chunk: (at 4,4,0 in 15,16; contains blocks 240,0,256 to 255,255,271), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 775243 game time, 879780 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 116372 (now: false), thunder time: 23682 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.A(SourceFile:608)
	at net.minecraft.server.MinecraftServer.z(SourceFile:532)
	at cyk.z(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:448)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.8.1
	Operating System: Windows 8 (x86) version 6.2
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 119596320 bytes (114 MB) / 409300992 bytes (390 MB) up to 523501568 bytes (499 MB)
	JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [qx['NICOLAS67'/334, l='Serious', x=149,81, y=64,00, z=277,31]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.