Fatal error: Uncaught Error: Class 'Tribe\Shortcode\Shortcode_Abstract' not found in /home2/greatteaching/public_html/wp-content/plugins/events-calendar-pro/src/Tribe/Views/V2/Shortcodes/Shortcode_Tribe_Event_Countdown.php:24 Stack trace: #0 {main} thrown in /home2/greatteaching/public_html/wp-content/plugins/events-calendar-pro/src/Tribe/Views/V2/Shortcodes/Shortcode_Tribe_Event_Countdown.php on line 24