Danebi

What do you mean? The site works perfectly. If you have a problem accessing the site describe your problem.

1.12 is no longer supported on this forum. Update to a modern version to receive support. Make your own topic.

Post the debug.log.

The cause of the crash is that a single tick takes more than than 60 seconds. As for the cause of the lag post your debug.log (Please use gist github or pastebin to post it).

Where do you download mods from?

Post your new debug.log.

Do you know java? You have to return your armor model.

Then open the file with java.

Do you have java?

Forge generates doesn't generate any .jar file.

If your launcher is not running use jarfix or run it manually.

The problem is with one of your config. Post the debug.log to know which.

Try removing advancedtools

On github gist you can upload way more than 1800kb

Use pastebin or github gist.

Probably twitch broke the installation. Try to repair the installation or reinstall the modpack.

What you have posted is a crash report renamed. What i am asking you is a file named debug.log that can be found in your logs folder.

This is not the debug.log, why are you renaming it?

Post the debug.log.

Please make your own topic.

Post the debug.log.

Post your debug.log.

Delete this file: C:\Users\Cosmi\AppData\Roaming\.minecraft\config\forge-client.toml

It's a file named debug.log (if you have file extensions disabled it will be only debug) in your logs folder. To post it use pastebin or github gist.