Posted: 2006-04-19T07:00:08-07:00
We tried your command with the latest version of ImageMagick, 6.2.7-0, and it completed without complaint.
Use https://github.com/ImageMagick/ImageMagick/discussions instead.
http://mirror.imagemagick.org/discourse-server/
http://mirror.imagemagick.org/discourse-server/viewtopic.php?t=6395