Fatal error: Uncaught Error: Class 'Elementor\Scheme_Color' not found in /var/www/wp-content/plugins/snt-modal-cta/inc/layout/form.php:226 Stack trace: #0 /var/www/wp-content/plugins/elementor/includes/base/controls-stack.php(2433): SNT_EL_Form->_register_controls() #1 /var/www/wp-content/plugins/elementor/includes/base/widget-base.php(1049): Elementor\Controls_Stack->init_controls() #2 /var/www/wp-content/plugins/elementor/includes/base/controls-stack.php(570): Elementor\Widget_Base->init_controls() #3 /var/www/wp-content/plugins/elementor/includes/base/widget-base.php(185): Elementor\Controls_Stack->get_stack() #4 /var/www/wp-content/plugins/elementor/includes/base/controls-stack.php(315): Elementor\Widget_Base->get_stack() #5 /var/www/wp-content/plugins/elementor/includes/base/controls-stack.php(2524): Elementor\Controls_Stack->get_controls() #6 /var/www/wp-content/plugins/elementor/includes/base/controls-stack.php(1161): Elementor\Controls_Stack->sanitize_settings() #7 /var/www/wp-content/plugins/elementor/includes/ba in /var/www/wp-content/plugins/snt-modal-cta/inc/layout/form.php on line 226