[Solved][1.2.5] I got this error when I try to connecting at my server

[Mrrraou]

When I try to connect to my server, Minecraft crashes

Logs:

15 mods loaded
Minecraft Forge 3.3.8.141
FML v2.2.106.176
Forge Mod Loader version 2.2.106.176 for Minecraft null
mod_CodeChickenCore : Available (minecraft.jar)
mod_MinecraftForge : Available (minecraft.jar)
mod_ComputerCraft : Available (minecraft.jar)
mod_CCTurtle : Available (minecraft.jar)
Steve's Carts : Available (minecraft.jar)
mod_ReiMinimap : Available (minecraft.jar)
mod_Mystcraft : Available (minecraft.jar)
mod_NotEnoughItems : Available (minecraft.jar)
mod_Backpack : Available (Backpack_v2.3.5_FML_Client.zip)
mod_CCPrinter : Available (CCPrinter)
mod_EE : Available (EE2ClientV1.4.6.7.jar)
mod_EnderStorage : Available (EnderStorage-Client 1.1.5.zip)
mod_IC2 : Available (industrialcraft-2-client_1.103.jar)
mod_PortalGun : Available (portalgun)
mod_ThaumCraft : Available (minecraft.jar)


      Minecraft has crashed!      
      ----------------------      

Minecraft has stopped running because it encountered a problem.




--- BEGIN ERROR REPORT c752dcf8 --------
Generated 09/09/12 10:41

Minecraft: Minecraft 1.2.5
OS: Windows XP (x86) version 5.1
Java: 1.6.0_35, Sun Microsystems Inc.
VM: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: ATI Radeon HD 3450 version 3.3.9901 Compatibility Profile Context, ATI Technologies Inc.

java.lang.NoSuchMethodError: vx.getHorizon(Lxd;)D
at alb.getHorizon(WorldProvider.java:241)
at .I(World.java:4249)
at l.a(RenderGlobal.java:1044)
at lr.a(EntityRenderer.java:1050)
at lr.b(EntityRenderer.java:903)
at net.minecraft.client.Minecraft.x(Minecraft.java:873)
at net.minecraft.client.Minecraft.run(Minecraft.java:750)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT ff4d316a ----------

PS: Sorry if my English is not good, I am French 

Thanks for reading this.

EDIT: I tried all versions of Forge, it do the same thing

[luacs1998]

Make sure all dependencies have been properly fixed.

[Mrrraou]

What do you say by "dependencies" ? I have installed Forge and all the mods need forge and that's all, but I have watched the log before create this post, and I think it's a coding error:

vx.getHorizon(Lxd;)D  <----- This character ??

[luacs1998]

No Player API/Dimension API/stuff like that?

Well, why is the Minecraft version null?

[Mrrraou]

I don't have any apis to install, just Forge.

I don't know what is called "Minecraft Version Null", but I know my Minecraft version is 1.2.5

[luacs1998]

You have an invalid jar, force update and reinstall.

[Mrrraou]

I don't think, I can play in single player without problems.

I will decompile Minecraft for look that.

[Mrrraou]

Huh, MCP don't want to decompile Minecraft, also I try that you have said, reinstall Minecraft. I will say if that works.

[Mrrraou]

That works ! Thanks very well !