I have created a new class and I'm trying to add an assignment for them, but the whole area where you choose which course to add, etc, is greyed out (image below). I'm trying to I haven't used Khan Academy for a few years, so I assume I'm just forgetting something crucial. What am I doing wrong? I am using Chrome as my browser.
I'm trying to assign SQL Basics to a class, which is something I have done before.
Here's the link to the course: https://www.khanacademy.org/computing/computer-programming/sql#sql-basics