null ULB schedule: I am a student and there are no courses in my schedule.
Your individual schedule depends on your PAE. There a period of time to take into account between the moment you choose your courses and the moment your list is updated in your schedule. To check your course list, you can go to https://monulb.ulb.be/group/student-site/mes-unites-d-enseignement-ue-
In the meantime, you can see your schedule thanks to the public pages (for instance, by course or student set).