Can manage to start the course.
I logged in to codeAlly
It jumps to this page:
Then send me back to the course page:
Tested in latest version of Chrome, Edge and Firefox (even with all cookies allowed)
User Agent is:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/188.8.131.52 Safari/537.36 Edg/184.108.40.206
Learn Relational Databases by Building a Mario Database - Build a Mario Database