Thank you for respon....I've added a subdomain kliklampung.kliklampung.heliohost.org. but still do not want to add aliases www.kliklampung.com. same error message : There was an error when the system attempted to create the alias. Park::park(www.kliklampung.com) failed: (XID qmm779) The domain “kliklampung.com” already exists in the Apache configuration.