Messaggio di errore

User error: ImageMagick error 1: convert: unable to open image `/var/www/vhosts/consorziotutelaprimitivo.com/httpdocs/sites/default/files/Citt del Vino_1.pdf': No such file or directory @ error/blob.c/OpenBlob/2643. convert: no images defined `/var/www/vhosts/consorziotutelaprimitivo.com/httpdocs/sites/default/files/pdfpreview/71063e4d073f62a07dae1fb92a4b4453.jpg' @ error/convert.c/ConvertImageCommand/3046. in _imagemagick_convert_exec() (linea 519 di /var/www/vhosts/consorziotutelaprimitivo.com/httpdocs/sites/all/modules/imagemagick/imagemagick.module).