Newbie help: Deploying on Vercel and assigning to domain name

[pawlean (Pauline P. Narvas)]

Hi, @bianchidy! Welcome to the Vercel Community

We wrote a community post on how to debug these 404 errors, do you want to go through this and let us know how you get on?

Debugging 404 Errors

Sometimes things don’t go as expected when deploying a website. If you see a 404 on your site, that means the page or resource couldn’t be found. There are many possible causes, and the absence of something can be tricky debug if you don’t know where to look. Here are some things you can do to find the cause and fix it. Debugging Tips Check the error code If you see a mostly white screen with 404: NOT_FOUND along with a Code and and ID then you can click the blue info box below the error deta…

Similarly, with the domain verification, this may be helpful:

Custom domain verification

Overview After adding and configuring a custom domain, some users may need to verify their domain. “The domain may already be associated with another account.” This message appears for various reasons: The domain is already owned by another team. You’re trying to use a subdomain from a larger organization (such as a university). The domain you purchased was previously owned by someone else who used it for a Vercel project. Solution To resolve this, you typically need to add a TXT record to …

Let us know if you have any more questions!