Please try going to https://twitch.uservoice.com/forums/915910-game-mods-curseforge and suggesting it there!
Please try going to Support.CurseForge.Com and opening a ticket.
You will need to provide more information about the issue.
You can extract jars with a program like WinRAR.
Seems to no longer be happening
Is the mod in a .jar file - and where did you get it from?
That's an interesting issue.
You should be able to play them in offline mode if they were already downloaded. Twitch is easier than manual mod setup.
If you can afford to give 12GB ram you probably have a great pc, so try changing graphics settings or the Foamfix mentioned above. It could be just graphics capped at lowest frames.
Is it approved and is there a beta or release file out?
Looks like minestuck alchemy?
You will need to provide more info about the crash
I recommend fallout-hosting if you need a replacement. Good budget server that I've been using for a while.
If there is an approved beta up it should appear eventually!
Wow! A yearly paycheck of 11 cents! thanks curse!
(this is a joke. I dont hate curse or anything)