Why don't lessons open anymore?

Question

I started python for beginners course and I finished it till lesson 16 and I can't continue any more because lesson 17 won't open.
Plz help

Answer 1

Did you run out of hearts?

Answer 2

recheck that you did every lesson

Answer 3

Could be the same issue as here:
https://www.sololearn.com/Discuss/3057111/?ref=app

I think sololearn us already aware of the problem, but write to [e-mail] and describe the issue.