The prompt named 'Customize Navigation in Console' with API name set to 'CustomizeNavigationinConsole' was not added to the Sales Console Home page.

I have created Customize Navigation in Console prompt, but after clicking on challenge to complete , it giving error "The prompt named 'Customize Navigation in Console' with API name set to 'CustomizeNavigationinConsole' was not added to the Sales Console Home page." I am not able to earn point , even prompt has created successfully, Attaching screen shot.

https://curious-unicorn-9w7uyi-dev-ed.trailblaze.lightning.force.com/lightning/page/home