Canvas Free for Teachers - Student no longer seeing courses

Community Member

We have multiple courses in our Canvas FFT site - one of our students is no longer seeing any of the courses he is registered for when he logs in. He is showing up as a student on the back-end and was able to access the courses previously (it shows that he most recently accessed in February). I met with him on Teams to confirm he was logging in using the same email address and he was. I tried sending him another course invite and he never received the email. The course deadline isn't until June 2024, so it's still open to students. What could be happening here?