Fatal error: Uncaught Error: Class 'WP_Widget_Categories' not found in /homepages/5/d503119495/htdocs/clickandbuilds/YosuMendoza/wp-includes/class-wp-widget-factory.php:61 Stack trace: #0 /homepages/5/d503119495/htdocs/clickandbuilds/YosuMendoza/wp-includes/widgets.php(115): WP_Widget_Factory->register('WP_Widget_Categ...') #1 /homepages/5/d503119495/htdocs/clickandbuilds/YosuMendoza/wp-includes/widgets.php(1746): register_widget('WP_Widget_Categ...') #2 /homepages/5/d503119495/htdocs/clickandbuilds/YosuMendoza/wp-includes/class-wp-hook.php(287): wp_widgets_init('') #3 /homepages/5/d503119495/htdocs/clickandbuilds/YosuMendoza/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #4 /homepages/5/d503119495/htdocs/clickandbuilds/YosuMendoza/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #5 /homepages/5/d503119495/htdocs/clickandbuilds/YosuMendoza/wp-settings.php(540): do_action('init') #6 /homepages/5/d503119495/htdocs/clickandbuilds/YosuMendoza/wp-config.php(80): require_once('/homepages/5/d5...') in /homepages/5/d503119495/htdocs/clickandbuilds/YosuMendoza/wp-includes/class-wp-widget-factory.php on line 61