Urgent Squarespace Homepage Restoration

My Squarespace site suddenly lost its homepage right after I finished editing another page, and I need it back online immediately. The rest of the site is still reachable, but the root URL now shows a blank screen instead of the designed front page... (Budget: $15 - $25 USD, Jobs: CSS, HTML, PHP, Squarespace, Web Design, Web Development, Website Design, Website Management)