To cancel a recurring event, you will need to go to "Team > Schedule", and navigate to the "Recurring" page.
From the screen, you can click the Prohibited symbol
on the right-hand side to cancel the event.
After you click to cancel the event, you will see a popup saying the following:
If you want to proceed with canceling, you can click the "Yes" button. Your recurring event will now be canceled.
To Reactivate a recurring event, you can click the repeat symbol
where the prohibited symbol used to be:
Once clicked, you will see a popup saying:
If you want to proceed with reactivating, you can click the "Yes" button. Your canceled recurring event will now be reactivated.