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---- Minecraft Crash Report ----
// Why is it breaking

Time: 12/24/12 11:32 PM
Description: Unexpected error

java.lang.ClassCastException: aky cannot be cast to ajk
at bdo.a(SourceFile:38)
at bdo.a(SourceFile:13)
at bdw.a(SourceFile:103)
at bdw.a(SourceFile:96)
at bav.a(SourceFile:312)
at ban.a(SourceFile:897)
at ban.b(SourceFile:749)
at net.minecraft.client.Minecraft.J(SourceFile:605)
at net.minecraft.client.Minecraft.run(SourceFile:534)
at java.lang.Thread.run(Unknown Source)


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

-- Head --
Stacktrace:
at bdo.a(SourceFile:38)
at bdo.a(SourceFile:13)
at bdw.a(SourceFile:103)
at bdw.a(SourceFile:96)
at bav.a(SourceFile:312)
at ban.a(SourceFile:897)

-- Affected level --
Details:
Level name: MpServer
All players: 8 total; [ays['Reddvern'/35, l='MpServer', x=65.46, y=67.50, z=64.57], bah['briantijger'/8, l='MpServer', x=65.54, y=64.99, z=64.56], bah['frisko316'/15, l='MpServer', x=25.86, y=64.00, z=21.19], bah['Tallme2'/23, l='MpServer', x=20.88, y=70.00, z=64.09], bah['fabricio12345'/29, l='MpServer', x=41.15, y=64.96, z=59.47], bah['moocowthunder'/31, l='MpServer', x=26.72, y=62.00, z=38.64], bah['Cedric_McFly'/34, l='MpServer', x=52.10, y=69.00, z=20.02], bah['mekhisutton7'/33, l='MpServer', x=61.50, y=64.00, z=60.73]]
Chunk stats: MultiplayerChunkCache: 121
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (-1,64,0), Chunk: (at 15,4,0 in -1,0; contains blocks -16,0,0 to -1,255,15), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 8879014 game time, 10106883 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: adventure (ID 2). Hardcore: false. Cheats: false
Forced entities: 34 total; [bah['moocowthunder'/31, l='MpServer', x=26.72, y=62.00, z=38.64], bah['awvr99'/28, l='MpServer', x=-33.72, y=64.00, z=10.25], bah['smiley_bucket2'/32, l='MpServer', x=19.84, y=64.00, z=-33.34], bah['Cedric_McFly'/34, l='MpServer', x=52.10, y=69.00, z=20.02], bah['robotjam'/39, l='MpServer', x=3.50, y=64.00, z=-10.34], bah['mekhisutton7'/33, l='MpServer', x=61.50, y=64.00, z=60.73], bah['RoslynParks'/43, l='MpServer', x=60.63, y=64.75, z=-9.06], bah['Goce2012'/36, l='MpServer', x=-21.09, y=64.09, z=27.13], bah['andreassen'/14, l='MpServer', x=-35.51, y=64.80, z=-0.06], bah['briantijger'/8, l='MpServer', x=65.54, y=64.99, z=64.56], bah['cbass96'/12, l='MpServer', x=-1.52, y=65.00, z=-32.27], bah['hime0321'/18, l='MpServer', x=-16.99, y=71.15, z=64.84], bah['frisko316'/15, l='MpServer', x=25.86, y=64.00, z=21.19], bah['calloftheduty25'/27, l='MpServer', x=-13.35, y=64.41, z=25.73], bah['Tallme2'/23, l='MpServer', x=20.88, y=70.00, z=64.09], bah['fabricio12345'/29, l='MpServer', x=41.15, y=64.96, z=59.47], qz['arrow'/553, l='MpServer', x=8.97, y=65.91, z=3.13], bah['spitfire2223'/26, l='MpServer', x=-0.28, y=65.22, z=16.91], bah['frisko316'/15, l='MpServer', x=25.86, y=64.00, z=21.19], bah['Tallme2'/23, l='MpServer', x=20.88, y=70.00, z=64.09], bah['fabricio12345'/29, l='MpServer', x=41.15, y=64.96, z=59.47], bah['moocowthunder'/31, l='MpServer', x=26.72, y=62.00, z=38.64], bah['Cedric_McFly'/34, l='MpServer', x=52.10, y=69.00, z=20.02], bah['mekhisutton7'/33, l='MpServer', x=61.50, y=64.00, z=60.73], bah['ShadowAmnesia'/40, l='MpServer', x=-21.96, y=64.00, z=-35.28], py['Minecart'/76, l='MpServer', x=40.50, y=64.85, z=50.47], py['Minecart'/75, l='MpServer', x=6.47, y=64.85, z=1.50], mg['Painting'/73, l='MpServer', x=-37.00, y=65.50, z=12.94], bah['craftingman33'/11, l='MpServer', x=63.52, y=70.00, z=-12.54], bah['Tmaster012345'/10, l='MpServer', x=-26.47, y=64.00, z=45.98], bah['ipdmike'/9, l='MpServer', x=-31.31, y=64.00, z=-34.75], bah['briantijger'/8, l='MpServer', x=65.54, y=64.99, z=64.56], bah['minecraftman4569'/5, l='MpServer', x=-34.13, y=64.00, z=9.35], ays['Reddvern'/35, l='MpServer', x=65.46, y=67.50, z=64.57]]
Retry entities: 0 total; []
Stacktrace:
at ayp.a(SourceFile:281)
at net.minecraft.client.Minecraft.b(SourceFile:1871)
at net.minecraft.client.Minecraft.run(SourceFile:548)
at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
Minecraft Version: 1.4.6
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_10, Oracle Corporation
Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 333992936 bytes (318 MB) / 528941056 bytes (504 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 21949 (1229144 bytes; 1 MB) allocated, 270 (15120 bytes; 0 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
LWJGL: 2.4.2
OpenGL: GeForce GT 640/PCIe/SSE2 GL version 4.2.0, NVIDIA Corporation
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled


What is aky and ajk because whenever i go onto 1 server i like after like 20 mins it crashes.
the server is mc sabotage and i dont got mods installed so how can i fix it?

Oh and yes i tried reinstalling

Getting this issue as well, still no luck