Getting a 404 from a link block

Hello, I have link blocks wrapping my case studies on my home page but clicks render a 404. I set page destinations for all of them, not sure why this is happening…

Here is my public share link:

(how to access public share link)

Sorry, I realized my share link was not linking to the home page…fixed!

So, I did not realize that the project must be published for those links between pages to work…that was the solution.