Fatal error: Uncaught Error: Class 'WP_Widget' not found in /home/egretne1/public_html/wp-content/plugins/image-slider-widget/inc/ewic-widget.php:3 Stack trace: #0 {main} thrown in /home/egretne1/public_html/wp-content/plugins/image-slider-widget/inc/ewic-widget.php on line 3