File not found

The site configured at this address does not contain the requested file.

If this is your site, make sure that the filename case matches the URL.

For root URLs (like http://example.com/) you must provide an index.html file.

Read the full documentation for more information about using GitHub Pages.

깃허브에서 배포하려고 마지막에 세팅 >> 페이지 들어가면

이렇게 오류가 떠요.

setting : deploy from branch

branch : main / root 해서 save 누르면 저렇게나오고 계속 화면은 뜨지 않는데 어떡하죠?