Strange Menu Behaviors

I'm experiencing some unexpected behaviors with the menu in courses published in Articulate 360. First, the menu is only displaying check marks when the menu items are clicked, not when the learner actually navigates to or reaches that section, nor when the learner completes that section. That means that a learner can go through the entire course in a linear fashion without any check marks appearing, or they could pull up the menu, click around, and make all or some of the checkmarks appear. I can't imagine this is intended.

Second, clicking on the menu items isn't actually taking learners to the associated section of the course. Instead, it's acting as a trigger to take learners to the next slide. It's very weird. It's actually behaving the same way as the Next button. It even clicks through quiz questions. This stops happening when it finally gets to the end of a scene, but it still doesn't take users to the appropriate section of the course.

I'd welcome any thoughts or advice anyone might have!