Disable Next Button in Player until all Buttons are Visited

Hello,

I have two slides in my project where I want the next button in the player to be disabled until all buttons are in the visited state. Each button hyperlinks to another slide but it redirects the user to this menu like page and will then advance them to a quiz once they have completed all steps. It starts as disabled when the timeline starts but I cannot get it to switch back to normal once all the buttons are visited. I tried using this article and searched other ones but still cannot figure out how to get it to work.  I've attached screenshots of my triggers.