According to the links below, the error messages seems to be related to the WSDL version on the webservice.
- http://stackoverflow.com/questions/36319901/the-serviceclass-object-does-not-implement-the-required-method-in-the-following
- http://stackoverflow.com/questions/35720181/the-serviceclass-object-does-not-implement-the-required-method-in-the-following
Can you try invoking the function from other clients (other than MATLAB) and see if that gives error?
