Fatal error: Uncaught mysqli_sql_exception: Network unreachable in /var/www/html/db-rhss-config.php:8 Stack trace: #0 /var/www/html/db-rhss-config.php(8): mysqli_connect('mysql.railway.i...', 'root', Object(SensitiveParameterValue), '', 3306) #1 /var/www/html/index.php(19): require('/var/www/html/d...') #2 {main} thrown in /var/www/html/db-rhss-config.php on line 8