Code is not working in localhost

Hello Team Mates,
I downloaded https://github.com/IAmJaysWay/Rarity-Ranking-NFT code which is available openly which is explained in https://www.youtube.com/watch?v=TXpfRRHwjak&t=715s.

I setup code as per instruction and installed all dependency. also added server credentials and collection address as well but While I start react app in local server using YARN START command and NODE MAIN.js file at same time browser is opening but nothing displayed in that webpage.

If you guys have any idea about how to fix and run code, please help to get this issue fix. and if you need any further information I am more than happy to share with you guys.

did you try to look in the browser console to see if there are any errors?

Hey mate, is this by any chance you? NFT RARITY TOOL, Local Host Issue (URGENT) blank loading page, the error looks the same

Can you help me to fix it ?