One of the pages on my website says "Page not found The page you are looking for doesn't exist or has been moved"

Can someone please help me resolve this? I’m a UX designer and very recently started using Webflow as a platform to host my portfolio. I just added a new project to my portfolio and made some changes to the slug section of the project, and now the page won’t load, and the slug status won’t change from Staged changes to publish.

Similar issue; my newly created and published CMS pages aren’t loading and simply showing Page Not Found. Specifically, the CMS: Guidance, Steps, PCFs, and Carbon Statements. The other’s that I inherited with the template do work.

https://preview.webflow.com/preview/carbon-calories-saas?utm_medium=preview_link&utm_source=dashboard&utm_content=carbon-calories-saas&preview=f9bd09d7d147a9c6beb3192d6d2c4e13&workflow=preview