Lab on Python and Jupitor not getting launched

I get error on launching any lab/optional lab.
The following error is getting displayed:
We were unable to retrieve a launch URL. Please make sure you are logged into coursera, and have access to this lab.

I have purchased the course recently.

Hi

Can you try contacting Coursera Support?
https://www.coursera.support/s/learner-help-center-contact-us?language=en_US