SYMPTOMS
Sitebuilder module has been integrated with Plesk CP in Plesk 8.3 version. Now it acts not as pluggable module but is available as internal Plesk feature.Plesk server can be connected to Sitebuilder at the Server->Sitebuilder Support page in Plesk CP. More information about Sitebuilder support in Plesk can be found at the "Configuring Your Control Panel"->"Enabling Integration with Sitebuilder" section in Plesk 8.3 administrator guide.