Fatal error: Uncaught Error: Class 'Elementor\Scheme_Color' not found in /home/customer/www/mdfindustries.com/public_html/wp-content/plugins/woostify-pro/modules/elementor/slider-base/class-woostify-elementor-slider-base.php:321 Stack trace: #0 /home/customer/www/mdfindustries.com/public_html/wp-content/plugins/woostify-pro/modules/elementor/woocommerce/product-slider/class-woostify-elementor-product-slider-widget.php(47): Elementor\Woostify_Elementor_Slider_Base->arrows() #1 /home/customer/www/mdfindustries.com/public_html/wp-content/plugins/elementor/includes/base/controls-stack.php(2280): Elementor\Woostify_Elementor_Product_Slider_Widget->_register_controls() #2 /home/customer/www/mdfindustries.com/public_html/wp-content/plugins/elementor/includes/base/controls-stack.php(494): Elementor\Controls_Stack->init_controls() #3 /home/customer/www/mdfindustries.com/public_html/wp-content/plugins/elementor/includes/base/widget-base.php(177): Elementor\Controls_Stack->get_stack() #4 /home/customer/www/mdfindustries.com/public_h in /home/customer/www/mdfindustries.com/public_html/wp-content/plugins/woostify-pro/modules/elementor/slider-base/class-woostify-elementor-slider-base.php on line 321