Warning: Undefined array key "id_utente" in /var/www/vhosts/livesurgexchange.it/httpdocs/Views/Admin/Dashboard.php on line 13

Fatal error: Uncaught TypeError: Models_Evento::fetchInRangeByUserId(): Argument #2 ($_id_utente) must be of type int, null given, called in /var/www/vhosts/livesurgexchange.it/httpdocs/Views/Admin/Dashboard.php on line 13 and defined in /var/www/vhosts/livesurgexchange.it/httpdocs/Models/Evento.php:86 Stack trace: #0 /var/www/vhosts/livesurgexchange.it/httpdocs/Views/Admin/Dashboard.php(13): Models_Evento::fetchInRangeByUserId() #1 /var/www/vhosts/livesurgexchange.it/httpdocs/index.php(26): include('...') #2 /var/www/vhosts/livesurgexchange.it/httpdocs/Classes/Router.php(28): {closure}() #3 /var/www/vhosts/livesurgexchange.it/httpdocs/index.php(164): Classes_Router->dispatch() #4 {main} thrown in /var/www/vhosts/livesurgexchange.it/httpdocs/Models/Evento.php on line 86