Posted: 2006-10-23T13:41:29-07:00
Not sure why the command is failing for you. You could try posting a stack trace. We did try your command with the latest ImageMagick release, 6.3.0-0, and it worked without complaint.
Use https://github.com/ImageMagick/ImageMagick/discussions instead.
https://www.imagemagick.org/discourse-server/
https://www.imagemagick.org/discourse-server/viewtopic.php?t=7649