Warning: mysqli_real_connect(): php_network_getaddresses: getaddrinfo for mysql.c9g1vc17n.service.one failed: Name or service not known in /customers/7/7/c/c9g1vc17n/webroots/r590507/wp-includes/wp-db.php on line 1531

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for mysql.c9g1vc17n.service.one failed: Name or service not known in /customers/7/7/c/c9g1vc17n/webroots/r590507/wp-includes/wp-db.php:1531
Stack trace:
#0 /customers/7/7/c/c9g1vc17n/webroots/r590507/wp-includes/wp-db.php(1531): mysqli_real_connect(Object(mysqli), 'localhost', 'db177528', 't4hiv4rw', NULL, NULL, NULL, 0)
#1 /customers/7/7/c/c9g1vc17n/webroots/r590507/wp-includes/wp-db.php(592): wpdb->db_connect()
#2 /customers/7/7/c/c9g1vc17n/webroots/r590507/wp-includes/load.php(404): wpdb->__construct('db177528', 't4hiv4rw', 'db177528', 'localhost')
#3 /customers/7/7/c/c9g1vc17n/webroots/r590507/wp-settings.php(106): require_wp_db()
#4 /customers/7/7/c/c9g1vc17n/webroots/r590507/wp-config.php(80): require_once('/customers/7/7/...')
#5 /customers/7/7/c/c9g1vc17n/webroots/r590507/wp-load.php(37): require_once('/customers/7/7/...')
#6 /customers/7/7/c/c9g1vc17n/webroots/r590507/wp-blog-header.php(13): require_once('/customers/7/7/...')
#7 /customers/7/7/c/c9g1vc17n/webroots/r590507/index.php(17): require('/customers/7/7/...')
#8 {main}
  thrown in /customers/7/7/c/c9g1vc17n/webroots/r590507/wp-includes/wp-db.php on line 1531