Not working

I am on a paid WordPress account and I have used this plugin for a while. I don’t have many plugins and nothing has changed in the better part of a year. A few months ago my plugin started misbehaving. Instead of just offering me the calendar and showing when there was a post, I now have to double click and the calendar that is brought up does not show any posts. My unpaid wordpress account still shows when posts are scheduled in a calendar format. As a dyslexic, this calendar was helping me tremendously.

I am on Win 10, using Chrome.

The page I need help with: [log in to see the link]