mysqli_sql_exception Object
(
    [message:protected] => Unknown database 'am'
    [string:Exception:private] => 
    [code:protected] => 1049
    [file:protected] => /var/www/vhosts/annunci-massaggi.it/httpdocs/sitemap.php
    [line:protected] => 32
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /var/www/vhosts/annunci-massaggi.it/httpdocs/sitemap.php
                    [line] => 32
                    [function] => __construct
                    [class] => mysqli
                    [type] => ->
                )

        )

    [previous:Exception:private] => 
    [sqlstate:protected] => HY000
)