Bugged multiplayer won't allow me progress in single player

Last night me and my friends played local Co-op I have a lvl 18 Fl4k and he has a lvl 12 Zane, now I can’t progress the story because I can’t go to any other planet and I’m stuck on pandora 20190917_102612 20190917_102717 20190917_102742

I would suggest finding someone who’s further ahead in the game than you are (but also in NVHM), joining their game and travelling to either Meridian Metroplex (so you can take the drop ship if you haven’t done that yet) or directly to Skywell, then quitting and resume your solo game.

Otherwise, you might need to play through with your friend until they catch up to where you were in the story.