I’ll get back to you.
I have GP on 5 sites (no edit function). I have two others that are still using the 20xx wp theme. I am also using WP Edit-Pro for my editor. It could be something in that, that turned off the edit function on the front display page of each post and page.
I’ll start there to diagnose. He’s another fantastic script creator that answers quickly, and cares about his users (like you).