Fatal error: Uncaught mysqli_sql_exception: Connection refused in /var/www/html/travel/wp-includes/wp-db.php:1636 Stack trace: #0 /var/www/html/travel/wp-includes/wp-db.php(1636): mysqli_real_connect() #1 /var/www/html/travel/wp-includes/wp-db.php(632): wpdb->db_connect() #2 /var/www/html/travel/wp-includes/load.php(425): wpdb->__construct() #3 /var/www/html/travel/wp-settings.php(116): require_wp_db() #4 /var/www/html/travel/wp-config.php(114): require_once('...') #5 /var/www/html/travel/wp-load.php(37): require_once('...') #6 /var/www/html/travel/wp-blog-header.php(13): require_once('...') #7 /var/www/html/travel/index.php(17): require('...') #8 {main} thrown in /var/www/html/travel/wp-includes/wp-db.php on line 1636

Fatal error: Uncaught Error: Call to undefined function wp_kses_normalize_entities() in /var/www/html/travel/wp-includes/formatting.php:4361 Stack trace: #0 /var/www/html/travel/wp-includes/class-wp-fatal-error-handler.php(190): esc_url() #1 /var/www/html/travel/wp-includes/class-wp-fatal-error-handler.php(147): WP_Fatal_Error_Handler->display_default_error_template() #2 /var/www/html/travel/wp-includes/class-wp-fatal-error-handler.php(52): WP_Fatal_Error_Handler->display_error_template() #3 [internal function]: WP_Fatal_Error_Handler->handle() #4 {main} thrown in /var/www/html/travel/wp-includes/formatting.php on line 4361