[Koha] apache error

Hi to all I need your help i had istalled koha on ubuntu and all ok but when run the command : # /etc/init.d/apache2 restart not ok and result is : [warn] VirtualHost localhost:8080 overlaps with VirtualHost localhost:8080, the first has precedence, perhaps you need a NameVirtualHost directive [ OK ] I not know how fix this problem please if any body can help me thnks _________________________________________________________________ Invite your mail contacts to join your friends list with Windows Live Spaces. It's easy! http://spaces.live.com/spacesapi.aspx?wx_action=create&wx_url=/friends.aspx&mkt=en-us