I’m sorry to hear about this situation. I hope we manage to find you a resolution!
From our post:
Login — If you are unable to log in or experience difficulties during registration, please email registration@vercel.com and include the details of the project you are looking to deploy with Vercel. To protect against platform abuse, Vercel employs multiple layers of security and verification during the account signup process.
This is the best way to get support with your issue
