XML error parsing SOAP payload: Reserved XML Name

Question

I have a very simple web service that returns a string (hardcoded at that). I keep getting an error while parsing SOAP payload : Reserved XML Name.

I can view the WSDL n

Answer 1

Adding the following line in nusoap.php :

$this->responseData = trim($this->responseData);

before this line :

return $this->parseResponse($http->incoming_headers, trim($this->responseData));

solved my same problem