Python AWQL request (problem to get Labels)

[Marvin]

Hello,

I'm trying  to get all my campaigns with their Labels. When I don't add "Labels" in my request I'm getting all of them. But when it's added, some campaigns just disappear.

Here my request without "Labels"

SELECT CampaignId, Date, CampaignName, CampaignStatus, Impressions, Clicks, Cost, AveragePosition, Conversions, AllConversionValue FROM CAMPAIGN_PERFORMANCE_REPORT DURING LAST_30_DAYS’

Here when "Labels" is added

SELECT CampaignId, Date, CampaignName, CampaignStatus, Impressions, Clicks, Cost, AveragePosition, Conversions, AllConversionValue, Labels FROM CAMPAIGN_PERFORMANCE_REPORT DURING LAST_30_DAYS’

I don't know why some of them just disappear, do you have any ideas ?

Thank you