Not able to clear the challenge. Getting Error.
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: DOGBIXOW

https://trailhead.salesforce.com/content/learn/projects/customize-the-ui-for-a-recruiting-app/custom-candidate-record-page?trailmix_creator_id=journeytosalesforce&trailmix_slug=trailmix-2

I have completed the remaining parts of trailmix but stuck at this. can someone help on this please.