Fatal error: Uncaught Error: Call to undefined function mysql_select_db() in /var/www/vhosts/nexomundo.com/httpdocs/php_codes/notificacion.php:7 Stack trace: #0 /var/www/vhosts/nexomundo.com/httpdocs/index.php(3): require_once() #1 {main} thrown in /var/www/vhosts/nexomundo.com/httpdocs/php_codes/notificacion.php on line 7