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Jessi WaldonJessi Waldon 

reference error id: PZDVUQCP

Taking the Business Administration Superbadge Challenge and getting "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: PZDVUQCP"

Thoughts on what to do?
SandhyaSandhya (Salesforce Developers) 

You may get this error if you have made some changes in report and did not refresh the dashboard.Try to refresh the dashboard and then check for challenge.
Please mark it as solved if my reply was helpful. It will make it available for other as the proper solution.
Best Regards