I believe you'll want to reach out to Microsoft Certification or Microsoft Learn for this. I've included the links below, as well as the training support forums. I hope that helps!
Microsoft Learn support
https://learn.microsoft.com/en-us/learn/support/troubleshooting
Microsoft Certification help:
https://learn.microsoft.com/en-us/learn/certifications/help
Training support forums
https://trainingsupport.microsoft.com/en-us