I set up a new DE org to complete this challenge, but I've recieving the following error when trying to verify challenge 7:


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: KBSUNOUY

I set up a new DE org to complete this challenge, but I've recieving the following error when trying to verify challenge 7:


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: KBSUNOUY

I've verified and linked my Trailhead profile but the badges are not showing up. Any ideas on what I can check?