When creating a ticketed recurring event you'll need to make a schedule, following these steps

At the bottom of the edit event page you wish to set a schedule for:

• Click on Configure Availabilities next to Schedule

• Click on Times
• Click on New time slot

• Add a Start time and duration 
• Click Create Timeslot

• Click on Schedule
• Click on + New Pattern
• Fill out the information on the following page to create your recurring event