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 @sahilsuman1011, welcome to the Vercel Community!

Sorry that you're facing this issue. But the community members can't help you without the context of the error.

I recommend you to read through our https://community.vercel.com/t/how-to-get-good-answers/158 guide and add more details to your post.

Vercel Community

How to Get Good Answers

If you’re here for help with an error or issue, there are a few things you can do to get good answers as quickly as possible. Search for similar topics....