There's another community post with 404 debugging tips that might be helpful. Please give these solutions a try and let us know how it goes.

https://community.vercel.com/t/debugging-404-errors/437

Vercel Community

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...

A human should be around soon to offer more advice. But you can also get helpful information quickly by asking v0.

Hi,

Is this a Next.js app? I don't see any package.json or relevant files in your project. Are you able to run this project locally using npm run build && npm start ?

We recommend getting started with https://vercel.com/templates/next.js/nextjs-boilerplate template to understand the project structure. Thanks!

Vercel

Next.js Boilerplate

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Hello,

i tried running "npm run build && npm start}

i might need package.json maybe relevant files. Could you help me make this.

@swarnava

Yes you will need those file, the best way to get start with follow any of these two instruction:

• https://nextjs.org/docs/app/getting-started/installation#automatic-installation

nextjs.org

Getting Started: Installation | Next.js

Learn how to create a new Next.js application with the `create-next-app` CLI, and set up TypeScript, ESLint, and Module Path Aliases.

• https://vercel.com/templates/next.js/nextjs-boilerplate

These will give you the entire folder structure you need to run the application.

should i have these files

Appeared into my project randomly @swarnava

Hello,

These are expected for Node projects.