Spawning Block 36 on creative server crashes the game

*What I expected to happen was i successfully spawn block 36 and use it for any purpose *

What actually happened was I joined to a server (Mineverse.com) i played creative mode and i created a plot.Then, i spawned block 36 then game crashed and can't join anymore

Steps to Reproduce:
1. Join a multiplayer server with plots (creative)
2. Create your plot
3. spawn block 36
4. Can't join to server anymore
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REPORT FILE:

Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 09-11-13 11:06 PM
Description: Ticking entity

java.lang.NullPointerException: Ticking entity
at abp.a(SourceFile:331)
at xj.k(SourceFile:203)
at xl.e(SourceFile:430)
at blc.e(SourceFile:205)
at rh.h(SourceFile:1205)
at xl.h(SourceFile:240)
at bje.h(SourceFile:63)
at afn.a(SourceFile:1368)
at afn.g(SourceFile:1346)
at afn.h(SourceFile:1253)
at azd.o(SourceFile:1532)
at azd.ad(SourceFile:753)
at azd.e(SourceFile:704)
at net.minecraft.client.main.Main.main(SourceFile:103)

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

– Head –
Stacktrace:
at abp.a(SourceFile:331)
at xj.k(SourceFile:203)
at xl.e(SourceFile:430)
at blc.e(SourceFile:205)
at rh.h(SourceFile:1205)
at xl.h(SourceFile:240)
at bje.h(SourceFile:63)
at afn.a(SourceFile:1368)
at afn.g(SourceFile:1346)

– Entity being ticked –
Details:
Entity Type: null (bje)
Entity ID: 41090
Entity Name: MaximilianXChile
Entity's Exact location: 2521,33, 66,62, 2352,15
Entity's Block location: World: (2521,66,2352), Chunk: (at 9,4,0 in 157,147; contains blocks 2512,0,2352 to 2527,255,2367), Region: (4,4; contains chunks 128,128 to 159,159, blocks 2048,0,2048 to 2559,255,2559)
Entity's Momentum: 0,00, 0,00, 0,00
Stacktrace:
at afn.h(SourceFile:1253)

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [bje['MaximilianXChile'/41090, l='MpServer', x=2521,33, y=66,62, z=2352,15]]
Chunk stats: MultiplayerChunkCache: 0, 0
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (0,66,0), Chunk: (at 0,4,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 17141010 game time, 4116150044 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 1 total; [bje['MaximilianXChile'/41090, l='MpServer', x=2521,33, y=66,62, z=2352,15]]
Retry entities: 0 total; []
Server brand: craftbukkit
Server type: Non-integrated multiplayer server
Stacktrace:
at biz.a(SourceFile:284)
at azd.b(SourceFile:1951)
at azd.e(SourceFile:713)
at net.minecraft.client.main.Main.main(SourceFile:103)

– System Details –
Details:
Minecraft Version: 1.7.2
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_45, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
Memory: 277089584 bytes (264 MB) / 416026624 bytes (396 MB) up to 518979584 bytes (494 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
AABB Pool Size: 3910 (218960 bytes; 0 MB) allocated, 3910 (218960 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.7.2
LWJGL: 2.9.0
OpenGL: Intel Bear Lake B GL version 1.4.0 - Build 8.14.10.1930, Intel
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: []
Current Language: Español (México)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 19 (1064 bytes; 0 MB) allocated, 19 (1064 bytes; 0 MB) used
Anisotropic Filtering: Off (1)