Fatal error: Uncaught ValueError: mysqli::query(): Argument #1 ($query) cannot be empty in /var/www/html/country/CountrySearchListXML.php:298 Stack trace: #0 /var/www/html/country/CountrySearchListXML.php(298): mysqli->query() #1 {main} thrown in /var/www/html/country/CountrySearchListXML.php on line 298