Page not found error during the deployment

I have tried everything but my portfolio is still showing the same error. According to the netlify guide i have tried everything but it is still showing the same error

Looks like you’ve followed a broken link or entered a URL that doesn’t exist on this site.

Back to our site

If this is your site, and you weren’t expecting a 404 for this path, please visit Netlify’s “page not found” support guide for troubleshooting tips.

I sincerely doubt this.

Taking a quick look for common file names, I can see this file:

Can you:

  1. Share a link to your repository?
  2. Provide a screenshot of your Build settings?