freezing Freezing when trying to open a modpack from launcher!!!

[uly_isabel123]

Whenever I try to play Attack of the B-Team modpack, the minecraft screen comes up, but then freezes. I've tried uninstalling and installing the modpack and the launcher and it doesn't work. i have also restarted my laptop many times. What can I do??

[plowmanplow]

At the very top of this page is a link to the "Tracker". Search for similar issues under the AoBT section. If you don't find anything you should make a new post with this problem there.