Domain Mapping Error

I am getting the following error "Warning: parse_url(http://) [function.parse-url]: Unable to parse URL in /home/lifegro6/public_html/wp-content/plugins/domain-mapping/classes/class.domainmap.php on line 586"

That line is this:

$parsed_url = parse_url($url);

My site seems to be working fine on the front end. When I am in the dashboard, there is no information in the posts or pages. So the content exists, but the dashboard is showing something different.

I have tried to install and uninstall the plugin.

Thank you for the help!