To make your event inaccessible for the meantime, you may unpublish your event, and publish it again on a later date.
Purchased tickets from previously published events shall remain valid, and registered to the event, unless otherwise the organizer has cancelled the event, and has informed and/or refunded the ticket buyers.
To unpublish events
On the left column of your main dashboard, click on “More Options”
On the “More Options” dashboard, click on the “Unpublish” button to unpublish the event.