How to deal with CONCURRENT_MODIFICATION

[F B]

I am creating Responsive Text Ads in parallel (multithreaded python application), where all of them are distinct and only one per AdGroup. 

However, oftentimes I get an Error that states that two requests were trying to modify the same Ressource concurrently. This - on the first look - makes no sense to me, could it be that this is triggered, because the Ads are in the same campaign and are therefore indirectly modifying the same resource (i.e. campaign)?

Also how would the problem be solved?

[googleadsapi...@google.com]

Hi,

The DatabaseError.CONCURRENT_MODIFICATION error that you are encountering could occur due to multiple processes are trying to update the same entity at the same time. This said, the reason why you are seeing the error is because multiple processes are trying to update an ad, and the campaign of the ad (Ads are in the same campaign) should not be the cause of this error. With this, you may try to investigate if there's multiple processes that are trying to update an ad.

Please let me know if you have further clarifications.

Regards,

Hiroyuki

Google Ads API Team

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