Chat forceclose

---- Minecraft Crash Report ----
// This doesn't make any sense!

Time: 7/6/13 8:32 PM
Description: Deserializing Message

java.lang.ClassCastException: com.google.gson.JsonPrimitive cannot be cast to com.google.gson.JsonObject
	at cw.a(SourceFile:14)
	at cw.deserialize(SourceFile:10)
	at com.google.gson.TreeTypeAdapter.read(TreeTypeAdapter.java:58)
	at com.google.gson.Gson.fromJson(Gson.java:795)
	at com.google.gson.Gson.fromJson(Gson.java:761)
	at com.google.gson.Gson.fromJson(Gson.java:710)
	at com.google.gson.Gson.fromJson(Gson.java:682)
	at cu.c(SourceFile:220)
	at bcn.a(SourceFile:518)
	at dl.a(SourceFile:49)
	at cn.b(SourceFile:350)
	at bcn.d(SourceFile:95)
	at bcu.b(SourceFile:60)
	at atn.k(SourceFile:1380)
	at atn.S(SourceFile:662)
	at atn.d(SourceFile:618)
	at net.minecraft.client.main.Main.main(SourceFile:101)


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

-- Head --
Stacktrace:
	at cw.a(SourceFile:14)
	at cw.deserialize(SourceFile:10)
	at com.google.gson.TreeTypeAdapter.read(TreeTypeAdapter.java:58)
	at com.google.gson.Gson.fromJson(Gson.java:795)
	at com.google.gson.Gson.fromJson(Gson.java:761)
	at com.google.gson.Gson.fromJson(Gson.java:710)
	at com.google.gson.Gson.fromJson(Gson.java:682)

-- Serialized Message --
Details:
	JSON string: Cannot send chat message.
Stacktrace:
	at cu.c(SourceFile:220)
	at bcn.a(SourceFile:518)
	at dl.a(SourceFile:49)
	at cn.b(SourceFile:350)
	at bcn.d(SourceFile:95)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bcx['M1DN1GHTG4M3R'/23020, l='MpServer', x=7.28, y=147.62, z=15.54]]
	Chunk stats: MultiplayerChunkCache: 121
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (0,64,0), 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: 203169941586 game time, 631763262003 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: survival (ID 0). Hardcore: false. Cheats: false
	Forced entities: 29 total; [bcx['M1DN1GHTG4M3R'/23020, l='MpServer', x=7.28, y=147.62, z=15.54], ben['greybearkiller79'/21504, l='MpServer', x=-2887.34, y=42.00, z=1761.66], ben['minecrafttone'/74, l='MpServer', x=7.28, y=146.00, z=15.53], ben['andre_38'/75, l='MpServer', x=7.28, y=146.00, z=15.53], ben['NinjaGo0507'/86, l='MpServer', x=7.28, y=146.00, z=15.53], ben['blaze785'/453, l='MpServer', x=7.28, y=146.00, z=15.53], ben['pazu77'/11426, l='MpServer', x=7.28, y=146.00, z=15.53], ben['blazing_fury34'/11717, l='MpServer', x=7.28, y=146.00, z=15.53], ben['iHateCreepers10'/84, l='MpServer', x=7.28, y=146.00, z=15.53], ben['knight_spud'/23015, l='MpServer', x=7.28, y=146.00, z=15.53], ben['joedrag108'/21705, l='MpServer', x=7.28, y=146.00, z=15.53], ben['pantherpunisher'/22322, l='MpServer', x=7.28, y=146.00, z=15.53], ben['XMANTIUM'/22365, l='MpServer', x=7.28, y=146.00, z=15.53], ben['lukezoids'/22871, l='MpServer', x=7.28, y=146.00, z=15.53], ben['§aAK47BomberMan'/26874, l='MpServer', x=-2924.56, y=46.00, z=1767.38], ben['greybearkiller79'/21504, l='MpServer', x=-2887.38, y=42.00, z=1761.63], ben['IvySpear'/68, l='MpServer', x=-2946.28, y=44.06, z=1840.88], ben['joedrag108'/21705, l='MpServer', x=-2938.31, y=49.83, z=1806.32], ben['pazu77'/11426, l='MpServer', x=-2948.15, y=49.75, z=1800.59], ben['minecrafttone'/74, l='MpServer', x=-2944.15, y=50.74, z=1799.40], ben['NinjaGo0507'/86, l='MpServer', x=-2961.72, y=45.16, z=1792.13], ben['Experiment300'/14171, l='MpServer', x=-2943.97, y=44.25, z=1796.88], ben['§acokeakola11'/78, l='MpServer', x=-2955.75, y=50.00, z=1799.25], ben['§aRichardsBros'/22567, l='MpServer', x=-2931.36, y=42.69, z=1759.05], ben['XMANTIUM'/22365, l='MpServer', x=-2947.28, y=44.31, z=1845.34], ben['andre_38'/75, l='MpServer', x=-2956.74, y=50.74, z=1800.00], ben['Experiment300'/14171, l='MpServer', x=-2924.56, y=46.00, z=1767.38], ben['Adam_and_Neb'/14223, l='MpServer', x=-2944.41, y=44.00, z=1824.44], ben['XMANTIUM'/22365, l='MpServer', x=-2947.66, y=44.00, z=1846.94]]
	Retry entities: 0 total; []
Stacktrace:
	at bcu.a(SourceFile:284)
	at atn.k(SourceFile:1387)
	at atn.S(SourceFile:662)
	at atn.d(SourceFile:618)
	at net.minecraft.client.main.Main.main(SourceFile:101)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bcx['M1DN1GHTG4M3R'/23020, l='MpServer', x=7.28, y=147.62, z=15.54]]
	Chunk stats: MultiplayerChunkCache: 121
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (0,64,0), 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: 203169941586 game time, 631763262003 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: survival (ID 0). Hardcore: false. Cheats: false
	Forced entities: 29 total; [bcx['M1DN1GHTG4M3R'/23020, l='MpServer', x=7.28, y=147.62, z=15.54], ben['greybearkiller79'/21504, l='MpServer', x=-2887.34, y=42.00, z=1761.66], ben['minecrafttone'/74, l='MpServer', x=7.28, y=146.00, z=15.53], ben['andre_38'/75, l='MpServer', x=7.28, y=146.00, z=15.53], ben['NinjaGo0507'/86, l='MpServer', x=7.28, y=146.00, z=15.53], ben['blaze785'/453, l='MpServer', x=7.28, y=146.00, z=15.53], ben['pazu77'/11426, l='MpServer', x=7.28, y=146.00, z=15.53], ben['blazing_fury34'/11717, l='MpServer', x=7.28, y=146.00, z=15.53], ben['iHateCreepers10'/84, l='MpServer', x=7.28, y=146.00, z=15.53], ben['knight_spud'/23015, l='MpServer', x=7.28, y=146.00, z=15.53], ben['joedrag108'/21705, l='MpServer', x=7.28, y=146.00, z=15.53], ben['pantherpunisher'/22322, l='MpServer', x=7.28, y=146.00, z=15.53], ben['XMANTIUM'/22365, l='MpServer', x=7.28, y=146.00, z=15.53], ben['lukezoids'/22871, l='MpServer', x=7.28, y=146.00, z=15.53], ben['§aAK47BomberMan'/26874, l='MpServer', x=-2924.56, y=46.00, z=1767.38], ben['greybearkiller79'/21504, l='MpServer', x=-2887.38, y=42.00, z=1761.63], ben['IvySpear'/68, l='MpServer', x=-2946.28, y=44.06, z=1840.88], ben['joedrag108'/21705, l='MpServer', x=-2938.31, y=49.83, z=1806.32], ben['pazu77'/11426, l='MpServer', x=-2948.15, y=49.75, z=1800.59], ben['minecrafttone'/74, l='MpServer', x=-2944.15, y=50.74, z=1799.40], ben['NinjaGo0507'/86, l='MpServer', x=-2961.72, y=45.16, z=1792.13], ben['Experiment300'/14171, l='MpServer', x=-2943.97, y=44.25, z=1796.88], ben['§acokeakola11'/78, l='MpServer', x=-2955.75, y=50.00, z=1799.25], ben['§aRichardsBros'/22567, l='MpServer', x=-2931.36, y=42.69, z=1759.05], ben['XMANTIUM'/22365, l='MpServer', x=-2947.28, y=44.31, z=1845.34], ben['andre_38'/75, l='MpServer', x=-2956.74, y=50.74, z=1800.00], ben['Experiment300'/14171, l='MpServer', x=-2924.56, y=46.00, z=1767.38], ben['Adam_and_Neb'/14223, l='MpServer', x=-2944.41, y=44.00, z=1824.44], ben['XMANTIUM'/22365, l='MpServer', x=-2947.66, y=44.00, z=1846.94]]
	Retry entities: 0 total; []

-- System Details --
Details:
	Minecraft Version: 1.6.1
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_07, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 137436744 bytes (131 MB) / 423100416 bytes (403 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 5816 (325696 bytes; 0 MB) allocated, 13 (728 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
	Launched Version: 1.6.1
	LWJGL: 2.9.0
	OpenGL: AMD Radeon HD 6800 Series GL version 4.2.12002 Compatibility Profile Context 9.12.0.0, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Pack: Soartex_Fanver.zip
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 1920 (107520 bytes; 0 MB) allocated, 12 (672 bytes; 0 MB) used

What I expected to happen was...:
regular chat function on a minecraft server

What actually happened was...:
game force closes to sign in console

Steps to Reproduce:
1.
press "t" to enter chat
2.type anything, it does not matter
3. press enter and the game closes