title: InvokeMethod failure: Response is not well-formed XML in load runner
body: <p>Imported the WSDL and invoked the 'Add Service Call'. I am getting the output but, When the script is executed, getting the following error message. 
  Error: InvokeMethod failure: Response is not well-formed XML..
  Error: ExtractResultArg failure: Object reference not set to an instance of an object..</p>
  
  <p>Really appreciate if someone look into this.</p>