Error occurred prerendering page "/". TypeError: fetch failed

Question

I am getting this error on command screen while running 'npm run build' but 'npm run dev' is running fine and because of this I am not able to deploy this project. I am using nextJS 13

Error occurred prerendering page "/". Read more: https://nextjs.org/docs/messages/prerender-error
TypeError: fetch failed
    at Object.fetch (node:internal/deps/undici/undici:11457:11)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async fetchPageInfo (/vercel/path0/.next/server/pages/index.js:1121:17)
    at async getStaticProps (/vercel/path0/.next/server/pages/index.js:1041:22)
> Export encountered errors on following paths:
    /
- info Generating static pages (3/3)
Error: Command "npm run build" exited with 1

Here is my source code link Github

I am stuck on it for days. Please help

I have tried a lot of things and nothing is working till now