Yes, I am having the same issue. please take a look— http://elitesquadtennis.com/calendar/
when you create the event, and save, it will look normal on the admin event list. but when you go to the front end live site calendar view (looking at current monthly event, and no it is not set for a recurring event as I made sure to create a new event with “no recurring” activate.
This was the error I am receiving when inspecting the webpage.
Failed to load resource: the server responded with a status of 400 (Bad Request)
38tribe_tmpl_tooltip:19 Uncaught TemplateError: TypeError: Cannot read property ‘length’ of null (on tribe_tmpl_tooltip line 8)(anonymous function) @ tribe_tmpl_tooltip:19(anonymous function) @ tribe-events.min.js?ver=3.12.3:1a @ tribe-events.min.js?ver=3.12.3:1(anonymous function) @ tribe-events.min.js?ver=3.12.3:1m.event.special.(anonymous function).handle @ jquery.js?ver=1.11.3:4m.event.dispatch @ jquery.js?ver=1.11.3:4r.handle @ jquery.js?ver=1.11.3:4