TES : max_impressions 0 ?

Hi,

In a PHP script, I'm using TraficEstimatorService as shown in the example (v201509).

I'm giving it something between 100 and 300 keywords, and I want to get the maximum impressions per day.

This value is set at 0 for MOST of the keywords, even if some of them show correct values.

I tried to tweak my maxCpc value (on the AdGroupEstimateRequest) but it didn't change anything above a certain value.

Is there any way to improve these results ?

Thank you very much !

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