[Plugin: WP S3 Backups] nice plugin! but some troubles

hi
love the plugin, been looking for some solution like that for ages! but run into some trouble when installing:

Warning: curl_setopt() [function.curl-setopt]: CURLOPT_FOLLOWLOCATION cannot be activated when in safe_mode or an open_basedir is set in /srv/www/vhosts/MYDOMAIN.COM/httpdocs/WordPress/wp-content/plugins/wp-s3-backups/S3.php on line 896

its a shared hoster using plesk..

can you help me?

thanx!

http://wordpress.org/extend/plugins/wp-s3-backups/