Fatal error: Uncaught Error: Class "WP_Customize_Panel" not found in /Users/webmon/Documents/WebSites/herronfisher/wp-content/themes/colibri-wp/inc/src/Customizer/Panel/ColibriPanel.php:10 Stack trace: #0 {main} thrown in /Users/webmon/Documents/WebSites/herronfisher/wp-content/themes/colibri-wp/inc/src/Customizer/Panel/ColibriPanel.php on line 10