i imported my website from github and getting 404 error

hello, so i imported my website from github and i already deployed my website in gitlab but im getting 404 error, the pipeline already checked as passed on my website, but its not showing it, i have the READ ME file and the gh-pages branch from github, dont know if this is causing this 404 error,
can you please tell me how to fix it??

Hey @alex3, could you please open a support ticket about that over at https://support.gitlab.com? We’d love to help you out.