Posted: 2006-10-09T11:20:16-07:00
Looks like you need a more recent version of ImageMagick that supports the composite option. The most recent release is ImageMagick 6.2.9-8.
Use https://github.com/ImageMagick/ImageMagick/discussions instead.
https://imagemagick.com/discourse-server/
https://imagemagick.com/discourse-server/viewtopic.php?t=7555