Page not found

Hi Everyone, i need someone help for my website, i change the default post page of my theme to the page i created by going to Setting-General-Reading-Static Page-Frontpage-Home. The page is now display as default page but i noticed that if i click on the page it will say server not be found but other pages will respond, this is the URL please https://www.epetedohighschool.org, kindly click on the Home page, thanks all.