No Quiz Displays on page or preview- no short code or link display on back end

There is no short code or link (which is shown on your documentation). When I do preview or visit page no quiz displays. Tried using the qsm block and it says this quiz is not configured correctly.

I have created a second quiz changing nothing- everything a default- and no quiz displays.

I have deactivated and reactivated the plugin-

I purchased the export add-on so I would appreciate a response

The page I need help with: [log in to see the link]