Missing Events from Google Feed

Just started using the calendar plug-in. Looks great but many of the event from the Google Feed don’t show up. As I add new events, they appear through the feed but other events do not. It looks like it is especially “repeated” events that don’t show. I’m new to this — any help would be much appreciated!

https://ww.wp.xz.cn/plugins/all-in-one-event-calendar/