Error 503 doing GET operation on survey : <p>I am using the API to GET and FETCH data from my 150 or so Google surveys.
For some surveys I find the FETCH works OK but the GET is rejected with error 503. For instance:</p>

<p><code>HttpError 503 when requesting https://www.googleapis.com/consumersurveys/v2/surveys/6mndemyqw5b5k?alt=json returned "Survey is configured in a way not supported by the API, i.e. contains unsupported question types or options Request Id: 5750b15c00ff025d5da8b9f4b00001737e3430322d747269616c320001707573682d30362d30322d7231330001010a</code></p>

<p>The surveys are nearly all one single response questions and were created with the web interface. The common factor I notice is that the failing surveys I have looked at all contain an answer with a non-Latin character, e.g. <code>Siân Berry (Green)</code>.</p>

<p>Whatever the reason, this is quite a problem because the GET operation is the only one that returns a full list of answers in the originally specified order.
Also, the question text itself is only otherwise available by scraping the Overview sheet of the exported XLS file. I say scraping because so far as I can tell the spreadsheet format is neither documented nor stable - for instance the response data used to be in worksheet "1" but more recently seem to be in worksheet "Complete responses".</p>
