I have built the reports and dashboards as outlined in the requirements, but I'm getting the following error "Challenge Not yet complete... here's what's wrong: Couldn't find a component with the title 'My Top Accounts'."  


However, I have the component on the dashboard as you can see below.

What am I missing?

I'm doing the simple lightning components challenge and have hit this problem in my existing trailhead org and a brand new dev org that I've just created:

Challenge not yet complete... here's what's wrong: 
There was an unexpected error while verifying this challenge. Usually this is due to some pre-existing configuration or code in the challenge Org. We recommend using a new Developer Edition (DE) to check this challenge. If you're using a new DE and seeing this error, please post to the developer forums and reference error id: QVWBQHAG