WP Full Calendar not showing events

I have installed the WP Full Calendar plugin so I have a nice calendar for our events, but it isn’t showing any events. All the events are listed in Events Manager though. If I deactivate WP Full Calendar the default Events Manager calendar shows all the events. I would like to use WP Full Calendar though as our event calendar because it looks a lot more professional then the standard one from Events Manager.

I desperately need help as some of our members aren’t on FB so they rely on our Events calendar to keep track of what is happening.

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