luacs1998

There is a Forge version, as far as I know. Otherwise, get the mod author to be compatible with forge.

One of your mods needs MLMP, either stop using it or ask the maker to port to FML.

Update Optifine. Okay, don't.

Bad video card settings. Google.

Yes, it has since 3.0.1.75.

Are you sure you posted the correct log? We want the ForgeModLoader-client-0.log.

1.2.5 is not supported much anymore, and why are you using MLMP with Forge?

sk89q's launcher is not known to work.

Update forge, link in my sig.

Update forge!!!

Lex, lag is inevitable when using chunkloaders. I understand the part of the hook being abused, but simply removing the hook with no valid explanation or replacement is just mean. Perhaps readd it, but make it harder to use, so not any Tom, Dick or Harry can make a chunk loader?

Bumping posts here is NEVER a good idea. It may get you banned. For some reason, the Mineshafter fix breaks net.minecraft.Launcher. Go talk to them, we can't do anything.

It only appeared in like, the 1.3 update? OF COURSE you've never seen that. So, yeah, is the file even there?

Thanks for the log, seems like the hook in vMC for that to work is failing. Well, we still need cpw, I honestly don't know.

Known to happen with sk89q's launcher, try using MultiMC?

Get the MinecraftPortCentral bukkit build, it has forge already built in. You need ported server mods though, and they can be found at the same place.

For some reason Guava is not found, ensure you have guava-12.0.1.jar in your .minecraft/lib folder?

Everything set to minimal, lowest, or OFF (except Advanced OpenGL (if your computer can handle) and Fast Debug Info)

Someone get cpw! We need a log.

1. You don't use MCP? 2. Nope, but as far as I know it's possible to override recipes (that's what Railcraft does) 3. Optionally, you could use AccessTransformer, that is if cpw/Lex allow?

Something's wrong with one of your mods.

You DO realise bumping posts here is an absolute no-no? And yeah, you must be attempting to call a client class on the server.

Nope. Mineshafter chainloads the official launcher, there's no reason why it wouldn't work.

It's not a question of incompatibility, it's a question of NoClassDefFound. It's asking for a certain Java API class. Ensure that you're using Java 7. Otherwise, inform the mod author.

I know. Does Minecraft load?