Can't enroll student and can't see menu in course

Following the most recent update, I’ve noticed a couple of issues show up in the course that I’m creating:

First, the menu containing the items such as the Workbook, Discussions, etc. has disappeared. Here is what I see now in the course:

In addition, I found that I’m no longer able to enroll students within a course as an admin. Here is a screencast video of what I see:

I have created a wpmudevadmin user for a previous ticket, so I will add that user to the site that I’m working on here as well. Please let me know what additional information may be needed.