Hello! I’ve just installed Pro on a new site I’m building, and I’m getting a weird issue I’ve never encountered before. When I click “Elements” or “Layout” in the content or Header sections, it’s trying to load a new page. Sometimes I just get a pop-up that says “Are you sure you want to leave? Your changes will be lost.” Other times I just get a “Page Not Found” error. Is something messed up with my installation?