Android app not opening calendar events
 

Suddenly when I tap on an existing calendar event, it does not open. It directs me instead to another day in my calendar - March 11 2004:confused:

Every calendar event is opens to that page. I cannot edit or view them. It's similar in my wife's phone.

It's only happening on the Android app; in my browser it's fine.

Any ideas, please?
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After receiving advice from Fastmail I've reinstalled the app after restarting the phone and I can get to the appointment details. It refers me from the Month display to the Week display first. It didn't do that before (although it's sensible). It feels as if a bit of tinkering has happened.

Something similar happened to me on the Android app a few days ago (only it took me back to 2001, and since I found no reasonable way to go back to the present since it seems that a date cannot be typed in the app) I eventually switched from using beta in the app to using the production server and things seemed to be back to normal. Perhaps it was just that the app was restarted.