Warning: is_executable() [function.is-executable]: open_basedir restriction in effect. File(/usr/bin/convert) is not within the allowed path(s): (/home:/tmp) in /home/vantan/public_html/gallery/index.php on line 641

Error: Sorry, but I couldn't find the Imagemagick program that you specified to convert images (/usr/bin/convert).
Check the configuration of this script and your server.