My Canvas isn't loading any of my classes on the dashboard. I can still use the courses tab to see all the my classes but when I go to their pages and try to access my assignments, most screens are blank or they don't have the submit button on them? I try to refresh the page and that doesn't work. I also closed out of my internet browser to see if re-opening canvas would fix it but that didn't work either. So I cannot access my classes to turn in vital homework assignments.