Next button appearing early
I have a slide with 7 layers that you can get to from the main layer; layer 7 and 4 layers that need to be reviewed, too.
I want the learner to review all layers before advancing, so I have my next button hidden until all layers have been visited.
However, once you click on step 7 (bottom button), the next button appears. How do I delay this action until the 3 buttons on layer 7 are visited?
Attached is the file.