1. Backup the original files before making any changes.
2. Go to Appearance>>Editor and open the “template-schedule.php”
3. Find this line:
$terms = get_terms( ‘sc-session-grouping’, apply_filters( ‘sc_schedule_term_args’, array( ‘orderby’ => ‘name’ ) ) );
4. Replace with
$terms = get_terms( ‘sc-session-grouping’, apply_filters( ‘sc_schedule_term_args’, array( ‘orderby’ => ‘slug’ ) ) );
5. Update the file
6. Go to Session Groupings section, in the left main menu.
7. Change the slug field of your session groupings preceding it with a number. For example, if you had these slugs: morning, afternoon change them to 1-morning, 2-afternoon and Save.