Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for db failed: Try again in /home/www/project4/wp-includes/wp-db.php:1629 Stack trace: #0 /home/www/project4/wp-includes/wp-db.php(1629): mysqli_real_connect(Object(mysqli), 'db', 'sarvamangalam', Object(SensitiveParameterValue), NULL, NULL, NULL, 0) #1 /home/www/project4/wp-includes/wp-db.php(631): wpdb->db_connect() #2 /home/www/project4/wp-includes/load.php(426): wpdb->__construct('sarvamangalam', 'sarvamangalam25...', 'project4', 'db') #3 /home/www/project4/wp-settings.php(126): require_wp_db() #4 /home/www/project4/wp-config.php(90): require_once('/home/www/proje...') #5 /home/www/project4/wp-load.php(37): require_once('/home/www/proje...') #6 /home/www/project4/wp-blog-header.php(13): require_once('/home/www/proje...') #7 /home/www/project4/index.php(17): require('/home/www/proje...') #8 {main} thrown in /home/www/project4/wp-includes/wp-db.php on line 1629