Fatal error: Uncaught Error: Class "Tribe\Customizer\Control" not found in /home/rednewt/public_html/wp-content/plugins/the-events-calendar/common/src/Tribe/Customizer/Controls/Range_Slider.php:21 Stack trace: #0 {main} thrown in /home/rednewt/public_html/wp-content/plugins/the-events-calendar/common/src/Tribe/Customizer/Controls/Range_Slider.php on line 21