Fatal error: Uncaught Error: Class 'Elementor\Widget_Base' not found in E:\www\web\wp-content\plugins\wp-carousel-free\admin\ElementAddons\Wp_Carousel_Shortcode_Widget.php:7 Stack trace: #0 {main} thrown in E:\www\web\wp-content\plugins\wp-carousel-free\admin\ElementAddons\Wp_Carousel_Shortcode_Widget.php on line 7