---- Minecraft Crash Report ----
// There are four lights!

Time: 02.12.15 19:13
Description: Ticking player

java.lang.NullPointerException: Ticking player
at rx.a_(SourceFile:409)
at zo.a(SourceFile:1818)
at rx.a(SourceFile:1198)
at rx.v(SourceFile:2023)
at lr.v(SourceFile:843)
at rx.cn(SourceFile:1941)
at rx.m(SourceFile:1520)
at zo.m(SourceFile:263)
at lr.k_(SourceFile:275)
at mb.c(SourceFile:176)
at ek.a(SourceFile:232)
at ma.c(SourceFile:187)
at net.minecraft.server.MinecraftServer.D(SourceFile:643)
at net.minecraft.server.MinecraftServer.C(SourceFile:553)
at bxz.C(SourceFile:154)
at net.minecraft.server.MinecraftServer.run(SourceFile:457)
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 rx.a_(SourceFile:409)
at zo.a(SourceFile:1818)
at rx.a(SourceFile:1198)
at rx.v(SourceFile:2023)
at lr.v(SourceFile:843)
at rx.cn(SourceFile:1941)
at rx.m(SourceFile:1520)
at zo.m(SourceFile:263)

– Player being ticked –
Details:
Entity Type: null (lr)
Entity ID: 13212
Entity Name: LeClecle
Entity's Exact location: 454,29, 67,50, 817,18
Entity's Block location: World: (454,67,817), Chunk: (at 6,4,1 in 28,51; contains blocks 448,0,816 to 463,255,831), Region: (0,1; contains chunks 0,32 to 31,63, blocks 0,0,512 to 511,255,1023)
Entity's Momentum: 0,00, -0,08, 0,00
Entity's Passengers: []
Entity's Vehicle: ~_ERROR~ NullPointerException: null
Stacktrace:
at lr.k_(SourceFile:275)
at mb.c(SourceFile:176)
at ek.a(SourceFile:232)

– Ticking connection –
Details:
Connection: ek@6121ec85
Stacktrace:
at ma.c(SourceFile:187)
at net.minecraft.server.MinecraftServer.D(SourceFile:643)
at net.minecraft.server.MinecraftServer.C(SourceFile:553)
at bxz.C(SourceFile:154)
at net.minecraft.server.MinecraftServer.run(SourceFile:457)
at java.lang.Thread.run(Thread.java:745)

– System Details –
Details:
Minecraft Version: 15w49a
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 257947984 bytes (245 MB) / 543358976 bytes (518 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -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; [lr['LeClecle'/13212, l='Survival 1.9', x=454,29, y=67,50, z=817,18]]
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.