SOAP XML Error method '' not defined in service ''

i need some help with nusoap ,,,I have the following code but when I hit the page, I get the xml error of method '' not defined in service. I don't have a wsdl or anything defined. Is there more I need to do to get the SOAP service set up? Thanks! include("nusoap/nusoap.php"); $server=new soap_server(); $server-register('getColumns'); function getColumns(){ $search= new carSearch(); return $search-getSearchColumns(); } $server-service($HTTP_RAW_POST_DATA);

follow these instructions, it will show you how to install nusoap

How To Install Nusoap.php Class