Describe the bug
I just installed javascripting to learn and when trying to start up the lesson, I am presented with the menu. When I go to select any of the lessons I get the message: "No active exercise. Select one from the menu"

To Reproduce
Steps to reproduce the behavior:

1. Go to terminal and run javascripting
2. Click on any lesson
3. Says: "No active exercise. Select one from the menu"

Screenshot

Expected behavior
The lesson starts up to work on.

Execution environment (please complete the following information):

• OS: Ubuntu
• Version 18.04.5
• Node Version v15.12.0