Could not copy file "" to "/var/www/html/wiki/upload/f/f8/Appunti_non_lin.pdf". My installation is here : http://iperappunti.homeip.net The file is here : http://www.elet.polimi.it/upload/damore/appunti_non_lin.pdf Is it too large (2.5 mb)? Thank you. Regards. Alberto