---- Minecraft Crash Report ----
// Quite honestly, I wouldn't worry myself about that.

Time: 13. 10. 9 오후 8:06
Description: Adding item to inventory

java.lang.NullPointerException
at zi.g(SourceFile:151)
at zi.i(SourceFile:171)
at vd.a(SourceFile:234)
at tq.b_(SourceFile:199)
at vf.r(SourceFile:436)
at vf.e(SourceFile:428)
at pb.h(SourceFile:1194)
at vf.h(SourceFile:211)
at kq.i(SourceFile:204)
at kv.a(SourceFile:201)
at gs.a(SourceFile:136)
at eb.b(SourceFile:63)
at kv.e(SourceFile:69)
at ky.b(SourceFile:40)
at box.b(SourceFile:83)
at net.minecraft.server.MinecraftServer.u(SourceFile:494)
at net.minecraft.server.MinecraftServer.t(SourceFile:411)
at bou.t(SourceFile:121)
at net.minecraft.server.MinecraftServer.run(SourceFile:346)
at jc.run(SourceFile:582)

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

– Head –
Stacktrace:
at zi.g(SourceFile:151)
at zi.i(SourceFile:171)

– Item being added –
Details:
Item ID: 0
Item data: 0
Item name: ~_ERROR~ NullPointerException: null
Stacktrace:
at vd.a(SourceFile:234)
at tq.b_(SourceFile:199)
at vf.r(SourceFile:436)
at vf.e(SourceFile:428)
at pb.h(SourceFile:1194)
at vf.h(SourceFile:211)

– Player being ticked –
Details:
Entity Type: null (kq)
Entity ID: 166461
Entity Name: CreeperJerky
Entity's Exact location: 532.41, 71.05, 407.01
Entity's Block location: World: (532,71,407), Chunk: (at 4,4,7 in 33,25; contains blocks 528,0,400 to 543,255,415), Region: (1,0; contains chunks 32,0 to 63,31, blocks 512,0,0 to 1023,255,511)
Entity's Momentum: 0.00, 0.00, 0.00
Stacktrace:
at kq.i(SourceFile:204)
at kv.a(SourceFile:201)
at gs.a(SourceFile:136)
at eb.b(SourceFile:63)
at kv.e(SourceFile:69)

– Ticking connection –
Details:
Connection: kv@26364647
Stacktrace:
at ky.b(SourceFile:40)
at box.b(SourceFile:83)
at net.minecraft.server.MinecraftServer.u(SourceFile:494)
at net.minecraft.server.MinecraftServer.t(SourceFile:411)
at bou.t(SourceFile:121)
at net.minecraft.server.MinecraftServer.run(SourceFile:346)
at jc.run(SourceFile:582)

– System Details –
Details:
Minecraft Version: 13w39b
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.7.0_40, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 422810560 bytes (403 MB) / 936902656 bytes (893 MB) up to 1908932608 bytes (1820 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G
AABB Pool Size: 3783 (211848 bytes; 0 MB) allocated, 3589 (200984 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
Profiler Position: N/A (disabled)
Vec3 Pool Size: 12804 (717024 bytes; 0 MB) allocated, 12804 (717024 bytes; 0 MB) used
Player Count: 1 / 8; [kq['CreeperJerky'/166461, l='Creeper Survival', x=532.41, y=71.05, z=407.01]]
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.