Are you trying to edit some of your dates from the Management area of your event, but finding it unsuccessful?
If so, this is because you cannot make changes to any dates which have bookings from the Management area.
Instead, for dates with bookings that you want to edit, head to the Timetable.
Press the three dot menu next to the session to edit the following:
Or click into the session itself to see the guestlist and use the three dot menu in the top right to edit.
