[Zope] Error while adding LDAP user folder.

Hi, I am getting the following error when I try to add a LDAP user folder. How can I go about it? Please help. Thank you. Regards, Paul. Zope Error Zope has encountered an error while publishing this resource. Error Type: AttributeError Error Value: 'ldap' module has no attribute 'initialize' _____ Troubleshooting Suggestions * The URL may be incorrect. * The parameters passed to this resource may be incorrect. * A resource that this resource relies on may be encountering an error. For more detailed information about the error, please refer to the HTML source for this page. If the error persists please contact the site maintainer. Thank you for your patience.