u/DasAnanas453

https://preview.redd.it/5keotmvvv91h1.jpg?width=1920&format=pjpg&auto=webp&s=cdfca3c73a32d140748d94929a6dbfff53627bd6

All the remaining stuff is locked behind an undiscovered mission, but how do I discover it? I'm really new so idk what to do, I finished every side objective but now I cant progress