Fatal error: Uncaught Error: Class 'WP_Widget_Meta' not found in /var/www/html/wp-includes/class-wp-widget-factory.php:61
Stack trace:
#0 /var/www/html/wp-includes/widgets.php(115): WP_Widget_Factory->register('WP_Widget_Meta')
#1 /var/www/html/wp-includes/widgets.php(1770): register_widget('WP_Widget_Meta')
#2 /var/www/html/wp-includes/class-wp-hook.php(287): wp_widgets_init('')
#3 /var/www/html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#4 /var/www/html/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#5 /var/www/html/wp-settings.php(557): do_action('init')
#6 /var/www/html/wp-config.php(95): require_once('/var/www/html/w...')
#7 /var/www/html/wp-load.php(37): require_once('/var/www/html/w...')
#8 /var/www/html/wp-blog-header.php(13): require_once('/var/www/html/w...')
#9 /var/www/html/index.php(17): require('/var/www/html/w...')
#10 {main}
thrown in /var/www/html/wp-includes/class-wp-widget-factory.php on line 61