ConvertedClicks not returned when segmenting by conversion name

For some reports (campaign and ad group at least), we segment by conversion name.  In the past, we have been able to request both Conversions and ConvertedClicks in these segment reports - but recently we have noticed that we're only getting Conversions back in the report - ConvertedClicks comes back as "---".

We recently upgraded from v201502 to v201509 - including the change in definition of Conversions.  I'm pretty sure that in the previous version, we were getting ConvertedClicks (by its previous name) returned successfully.

I understand that non-conversion stats can't be returned with a ConversionName segment - but ConvertedClicks sounds like a conversion stat (and the docs don't show it as excluded) - and we don't get an error, just an absence of data ...

Any idea what happened here?

Thanks

Adrian

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