User error : ImageMagick error 1: convert: attempt to perform an operation not allowed by the security policy `PDF' @ error/constitute.c/IsCoderAuthorized/413.
convert: no images defined `/var/www/vhosts/cinquelec.com/httpdocs/sites/default/files/pdfpreview/2ced11c2bc37ea89be6f81695650b29d.jpg' @ error/convert.c/ConvertImageCommand/3258.
dans _imagemagick_convert_exec() (ligne 519 dans sites/all/modules/imagemagick/imagemagick.module).