I tries this but still the message is on the page Non-identified peripherals list.
chown -R www-data:www-data /var/lib/ocsinventory-reports
chown -R www-data:www-data /var/lib/ocsinventory-reports/ipd
Service apache2 restart
This is the message:
You need to set writing rights on the root directory in order to use ipdiscover-util.pl (/ipd)