I'm not sure how to even read this, after I give it the requirements file for my last Flask project. It says six projects block transition for me, then offers

I'm not sure how to even read this, after I give it the requirements file for my last Flask project. It says six projects block transition for me, then offers me a goofy badge saying 4 blockers. Over on the right, the top thirteen of the projects in my file are black and not given as links. (However, it is clear that going to Python 3 would not work.)