PHP Server was unable to process request

[stradf]

This is my coding can any one help:\[code\]<?php class clsWSSEAuth { private $Username; private $Password; private $Meruser; private $Merpass; function __construct($username, $password) { $this->Username=$username; $this->Password=$password; //$this->MerhcantUsername=$Meruser; //$this->MerhcantPassword=$Merpass; } } /*class clsWSSEToken { private $UsernameToken; function __construct ($innerVal){ $this->UsernameToken = $innerVal; } }*/ ?> <!--Step2: Create Soap Variables for UserName and Password --><?phpinclude("lib/nusoap.php");$Username = $_REQUEST['usname'];$Password = $_REQUEST['uspass'];$Meruser = $_REQUEST['merusname'];$Merpass = $_REQUEST['meruspass'];//Check with your provider which security name-space they are using. $strWSSENS = "http://localhost/royal_new/"; $objSoapVarUser = new SoapVar($Username, XSD_STRING, NULL, $strWSSENS, NULL, $strWSSENS); $objSoapVarPass = new SoapVar($Password, XSD_STRING, NULL, $strWSSENS, NULL, $strWSSENS); $objSoapVarmerUser = new SoapVar($Meruser, XSD_STRING, NULL, $strWSSENS, NULL, $strWSSENS); $objSoapVarmerPass = new SoapVar($Merpass, XSD_STRING, NULL, $strWSSENS, NULL, $strWSSENS); ?> <!--Step3: Create Object for Auth Class and pass in soap var --><?php $objWSSEAuth = new clsWSSEAuth($objSoapVarUser, $objSoapVarPass); ?> <!--Step4: Create SoapVar out of object of Auth class--> <?php $objSoapVarWSSEAuth = new SoapVar($objWSSEAuth, SOAP_ENC_OBJECT, NULL, $strWSSENS, 'UsernameToken', $strWSSENS); ?> <!--Step5: Create object for Token Class--> <?php //$objWSSEToken = new clsWSSEToken($objSoapVarWSSEAuth);?> <!--Step6: Create SoapVar out of object of Token class--> <?php //$objSoapVarWSSEToken = new SoapVar($objWSSEToken, SOAP_ENC_OBJECT, NULL, $strWSSENS, 'UsernameToken', $strWSSENS); ?> <!--Step7: Create SoapVar for 'Security' node--> <?php //$objSoapVarHeaderVal=new SoapVar($objSoapVarWSSEToken, SOAP_ENC_OBJECT, NULL, $strWSSENS, 'Security', $strWSSENS);?> <!--Step8: Create header object out of security soapvar--> <?php //$objSoapVarWSSEHeader = new SoapHeader($strWSSENS, 'Security', $objSoapVarHeaderVal,true, 'http://services.l2payments.com/MerchantServices.asmx?WSDL'); //Third parameter here makes 'mustUnderstand=1 //Forth parameter generates 'actor="http://abce.com"' ?> <!--Step9: Create object of Soap Client--> <?php $param = array('MerhcantUsername' => $Username,'MerhcantPassword' =>$Password);$objClient = new SoapClient('http://services.l2payments.com/MerchantServices.asmx?WSDL', $param);?> <!--Step10: Set headers for soapclient object --><?php //$objClient->__setSoapHeaders(array($objSoapVarWSSEHeader));?> <!--Step 11: Final call to method --><?phptry { $objResponse = $objClient->__soapCall('LoginRequest', $param); // Note: Same results without or without exceptions => true} catch(Exception $e) { var_dump($e);}?>\[/code\]I am getting this error:\[code\]object(SoapFault)#9 (9) { ["messagerotected"]=> string(96) "Server was unable to process request. ---> Object reference not set to an instance of an object." ["stringrivate"]=> string(0) "" ["coderotected"]=> int(0) ["filerotected"]=> string(32) "C:\wamp\www\royal_new\server.php" ["linerotected"]=> int(102) ["tracerivate"]=> array(1) { [0]=> array(6) { ["file"]=> string(32) "C:\wamp\www\royal_new\server.php" ["line"]=> int(102) ["function"]=> string(10) "__soapCall" ["class"]=> string(10) "SoapClient" ["type"]=> string(2) "->" ["args"]=> array(2) { [0]=> string(12) "LoginRequest" [1]=> array(2) { ["MerhcantUsername"]=> string(5) "manoj" ["MerhcantPassword"]=> string(5) "manoj" } } } } ["faultstring"]=> string(96) "Server was unable to process request. ---> Object reference not set to an instance of an object." ["faultcode"]=> string(11) "soap:Server" ["detail"]=> string(0) "" }\[/code\]