Fatal error: Uncaught Error: Class 'WP_Widget' not found in /home/paulamassarutti/public_html/wp-includes/widgets/class-wp-widget-pages.php:17 Stack trace: #0 /home/paulamassarutti/public_html/wp-includes/default-widgets.php(11): require_once() #1 /home/paulamassarutti/public_html/wp-includes/functions.php(5269): require_once('/home/paulamass...') #2 /home/paulamassarutti/public_html/wp-includes/class-wp-hook.php(308): wp_maybe_load_widgets('') #3 /home/paulamassarutti/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters('', Array) #4 /home/paulamassarutti/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /home/paulamassarutti/public_html/wp-settings.php(495): do_action('plugins_loaded') #6 /home/paulamassarutti/public_html/wp-config.php(118): require_once('/home/paulamass...') #7 /home/paulamassarutti/public_html/wp-load.php(50): require_once('/home/paulamass...') #8 /home/paulamassarutti/public_html/wp-blog-header.php(13): require_once('/home/paulamass...') #9 /home/paulamassarutti/ in /home/paulamassarutti/public_html/wp-includes/widgets/class-wp-widget-pages.php on line 17