this happens after doing /give 237

and where can i redeem my token

---- Minecraft Crash Report ----
// This is a token for 1 free hug. Redeem at your nearest Mojangsta: _HUG~

Time: 9/27/13 11:56 AM
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: 264
Entity Name: Drahcir361
Entity's Exact location: -1.79, 118.47, 421.06
Entity's Block location: World: (-2,118,421), Chunk: (at 14,7,5 in -1,26; contains blocks -16,0,416 to -1,255,431), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
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@c552b5
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 7 (amd64) version 6.1
Java Version: 1.7.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 248711848 bytes (237 MB) / 437387264 bytes (417 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
AABB Pool Size: 3400 (190400 bytes; 0 MB) allocated, 3179 (178024 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
Profiler Position: N/A (disabled)
Vec3 Pool Size: 2762 (154672 bytes; 0 MB) allocated, 1744 (97664 bytes; 0 MB) used
Player Count: 1 / 8; [kq['Drahcir361'/264, l='Fuhk you erik', x=-1.79, y=118.47, z=421.06]]
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.