If you have not used your connected external calendar for a while, you will need to renew the connection. The best thing to do is to delete the calendar from your profile. Then you can reconnect the calendar and the synchronization should work again.
Learn more about troubleshooting external calendars here.
Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article