SMP 6 crash!

In nether,k everything is in an enderchest so i decide to just kill myself by jumping off a cliff, i hit a cliff died then crashed, restarted minecraft, logged back on and saw the nether for a moment i had full health and then i crashed again
CRASH REPORT:
---- Minecraft Crash Report ----
// Oops.

Time: 1/21/13 8:43 PM
Description: Unexpected error

java.lang.NoSuchMethodError: atk: method <init>()V not found
at net.minecraft.client.Minecraft.a(SourceFile:441)
at net.minecraft.client.Minecraft.l(SourceFile:1072)
at net.minecraft.client.Minecraft.J(SourceFile:582)
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 net.minecraft.client.Minecraft.a(SourceFile:441)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [ays['4freedombunde'/7073277, l='MpServer', x=518.33, y=46.93, z=-323.43]]
Chunk stats: MultiplayerChunkCache: 40
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (-8,87,-71), Chunk: (at 8,5,9 in -1,-5; contains blocks -16,0,-80 to -1,255,-65), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Level time: 461559266 game time, 461559266 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: 84 total; [ays['4freedombunde'/7073277, l='MpServer', x=518.33, y=46.93, z=-323.43], mg['Painting'/7073304, l='MpServer', x=534.00, y=71.00, z=-366.06], qk['Zombie Pigman'/7073648, l='MpServer', x=483.50, y=44.00, z=-350.50], mg['Painting'/7073312, l='MpServer', x=513.06, y=72.50, z=-382.00], mg['Painting'/7073317, l='MpServer', x=530.00, y=71.00, z=-381.94], qk['Zombie Pigman'/7073638, l='MpServer', x=474.50, y=44.00, z=-348.50], qk['Zombie Pigman'/7073639, l='MpServer', x=479.50, y=44.00, z=-351.50], qk['Zombie Pigman'/7073392, l='MpServer', x=538.50, y=46.00, z=-293.50], qk['Zombie Pigman'/7073829, l='MpServer', x=520.50, y=68.00, z=-362.50], qk['Zombie Pigman'/7073828, l='MpServer', x=509.50, y=44.00, z=-329.50], qk['Zombie Pigman'/7073825, l='MpServer', x=513.50, y=49.00, z=-304.50], mg['Painting'/7073331, l='MpServer', x=514.06, y=71.00, z=-386.00], qk['Zombie Pigman'/7073824, l='MpServer', x=513.50, y=49.00, z=-302.50], qk['Zombie Pigman'/7073827, l='MpServer', x=515.50, y=49.00, z=-303.50], qk['Zombie Pigman'/7073826, l='MpServer', x=514.50, y=49.00, z=-304.50], qk['Zombie Pigman'/7073641, l='MpServer', x=479.50, y=44.00, z=-353.50], mg['Painting'/7073332, l='MpServer', x=518.00, y=72.00, z=-387.94], qk['Zombie Pigman'/7073822, l='MpServer', x=473.50, y=86.00, z=-347.50], qk['Zombie Pigman'/7073487, l='MpServer', x=510.50, y=44.00, z=-322.50], qk['Zombie Pigman'/7073823, l='MpServer', x=470.50, y=86.00, z=-348.50], qk['Zombie Pigman'/7073486, l='MpServer', x=510.50, y=44.00, z=-320.50], qk['Zombie Pigman'/7073820, l='MpServer', x=477.50, y=86.00, z=-348.50], qk['Zombie Pigman'/7073821, l='MpServer', x=473.50, y=86.00, z=-348.50], px['item.tile.hellrock'/7073278, l='MpServer', x=516.69, y=37.09, z=-320.13], qk['Zombie Pigman'/7073358, l='MpServer', x=525.50, y=42.00, z=-356.50], qk['Zombie Pigman'/7073359, l='MpServer', x=526.50, y=42.00, z=-356.50], qk['Zombie Pigman'/7073356, l='MpServer', x=530.50, y=42.00, z=-360.50], qk['Zombie Pigman'/7073357, l='MpServer', x=527.50, y=42.00, z=-356.50], qk['Zombie Pigman'/7073808, l='MpServer', x=504.50, y=16.00, z=-383.50], qk['Zombie Pigman'/7073367, l='MpServer', x=499.50, y=32.00, z=-378.50], qk['Zombie Pigman'/7073804, l='MpServer', x=505.50, y=16.00, z=-381.50], qk['Zombie Pigman'/7073802, l='MpServer', x=527.50, y=36.00, z=-323.50], qk['Zombie Pigman'/7073496, l='MpServer', x=504.50, y=82.00, z=-308.50], qk['Zombie Pigman'/7073497, l='MpServer', x=499.50, y=82.00, z=-310.50], qk['Zombie Pigman'/7073612, l='MpServer', x=532.50, y=68.00, z=-361.50], qk['Zombie Pigman'/7073613, l='MpServer', x=527.50, y=68.00, z=-358.50], qk['Zombie Pigman'/7073614, l='MpServer', x=524.50, y=68.00, z=-363.50], qk['Zombie Pigman'/7073615, l='MpServer', x=523.50, y=68.00, z=-359.50], qk['Zombie Pigman'/7073488, l='MpServer', x=510.50, y=44.00, z=-323.50], qk['Zombie Pigman'/7073369, l='MpServer', x=491.50, y=43.00, z=-352.50], mg['Painting'/7073312, l='MpServer', x=513.06, y=72.50, z=-382.00], mc['entity.ItemFrame.name'/7073313, l='MpServer', x=514.50, y=64.50, z=-370.06], mc['entity.ItemFrame.name'/7073314, l='MpServer', x=517.50, y=64.50, z=-370.06], mc['entity.ItemFrame.name'/7073315, l='MpServer', x=516.50, y=64.50, z=-370.06], mc['entity.ItemFrame.name'/7073316, l='MpServer', x=515.50, y=64.50, z=-370.06], mg['Painting'/7073317, l='MpServer', x=530.00, y=71.00, z=-381.94], pd['Pig'/7073318, l='MpServer', x=539.53, y=63.95, z=-379.53], qk['Zombie Pigman'/7073588, l='MpServer', x=492.50, y=19.00, z=-362.50], pd['Pig'/7073319, l='MpServer', x=539.53, y=63.95, z=-378.47], mc['entity.ItemFrame.name'/7073320, l='MpServer', x=534.50, y=71.50, z=-381.94], qk['Zombie Pigman'/7073594, l='MpServer', x=515.50, y=42.00, z=-352.50], pd['Pig'/7073321, l='MpServer', x=538.47, y=63.95, z=-378.47], qu['Villager'/7073322, l='MpServer', x=519.21, y=65.95, z=-394.21], qk['Zombie Pigman'/7073443, l='MpServer', x=519.50, y=87.00, z=-343.50], qu['Villager'/7073323, l='MpServer', x=520.93, y=65.95, z=-394.21], qu['Villager'/7073324, l='MpServer', x=520.93, y=65.95, z=-392.79], qu['Villager'/7073325, l='MpServer', x=521.79, y=65.95, z=-393.69], qk['Zombie Pigman'/7073444, l='MpServer', x=519.50, y=87.00, z=-342.50], qu['Villager'/7073326, l='MpServer', x=522.93, y=65.95, z=-393.69], qu['Villager'/7073327, l='MpServer', x=523.79, y=65.95, z=-394.21], qu['Villager'/7073329, l='MpServer', x=526.50, y=65.95, z=-393.50], qu['Villager'/7073328, l='MpServer', x=524.93, y=65.95, z=-393.07], mg['Painting'/7073331, l='MpServer', x=514.06, y=71.00, z=-386.00], qu['Villager'/7073330, l='MpServer', x=517.50, y=65.95, z=-391.50], qu['Villager'/7073333, l='MpServer', x=528.50, y=65.95, z=-391.50], mg['Painting'/7073332, l='MpServer', x=518.00, y=72.00, z=-387.94], qk['Zombie Pigman'/7073463, l='MpServer', x=555.50, y=70.00, z=-349.50], qk['Zombie Pigman'/7073680, l='MpServer', x=526.50, y=81.00, z=-334.50], qk['Zombie Pigman'/7073681, l='MpServer', x=526.50, y=81.00, z=-333.50], qk['Zombie Pigman'/7073565, l='MpServer', x=512.50, y=57.00, z=-318.50], qk['Zombie Pigman'/7073413, l='MpServer', x=501.50, y=40.00, z=-352.50], qk['Zombie Pigman'/7073566, l='MpServer', x=511.50, y=57.00, z=-318.50], qk['Zombie Pigman'/7073867, l='MpServer', x=519.50, y=69.00, z=-340.50], qk['Zombie Pigman'/7073536, l='MpServer', x=509.50, y=52.00, z=-306.50], qk['Zombie Pigman'/7073868, l='MpServer', x=514.50, y=69.00, z=-341.50], mc['entity.ItemFrame.name'/7073307, l='MpServer', x=515.50, y=63.50, z=-370.06], mc['entity.ItemFrame.name'/7073306, l='MpServer', x=517.50, y=63.50, z=-370.06], mc['entity.ItemFrame.name'/7073305, l='MpServer', x=514.50, y=63.50, z=-370.06], mg['Painting'/7073304, l='MpServer', x=534.00, y=71.00, z=-366.06], mc['entity.ItemFrame.name'/7073311, l='MpServer', x=514.06, y=70.50, z=-374.50], pe['Sheep'/7073310, l='MpServer', x=515.60, y=66.00, z=-382.38], qk['Zombie Pigman'/7073671, l='MpServer', x=465.50, y=86.00, z=-348.50], pe['Sheep'/7073309, l='MpServer', x=515.91, y=66.00, z=-381.19], mc['entity.ItemFrame.name'/7073308, l='MpServer', x=516.50, y=63.50, z=-370.06]]
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: 1.4.7
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_09, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 417675720 bytes (398 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 9381 (525336 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
Suspicious classes: [reifnsk.minimap.ReiMinimap, GuiScreenInterface, GuiOptionScreen, ...]
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
LWJGL: 2.4.2
OpenGL: Intel 965/963 Graphics Media Accelerator GL version 2.0.0 - Build 8.14.10.1930, Intel
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 459 (25704 bytes; 0 MB) allocated, 10 (560 bytes; 0 MB) used

Help! Im being crushed by a wall of text!

wall of text appeared!
It used confuse!
It super effective!

Try uninstalling and reinstalling your mods, if that doesn't work then turn it off and on again.

It was necesary to put all the text?

Yes

His first post is to report an error. Introduce yourself first

lol

Ok thanks! issue resolved.

I have the same problem now except I died with all items on me and the only mod I have is reis minimap version 1.4.7

1. Uninstall Mod(s).
2. Login.
3. ???
4. Profit!