Relational database cours doesnt't start

Tell us what’s happening:
The course doesn’t start I’m stuck in a blank page, I see only the codeally mark and a tip for the CV. Third part cookies are allowed.

Your code so far

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0

Challenge: Build a Mario Database

Link to the challenge:

check this post for debugging steps