Fatal error: Uncaught Error: Class 'WP_Widget' not found in /home2/mikaelrt/public_html/wp-content/plugins/wp-forecast/class-wpfuvwidget.php:12 Stack trace: #0 {main} thrown in /home2/mikaelrt/public_html/wp-content/plugins/wp-forecast/class-wpfuvwidget.php on line 12