Hello,

We're having the same problem. It's not even clear that we're mutating the 
same entity. As far as we can tell we're not doing that, so we're a bit 
confused as to what's going on. If needed we can provide request ids via 
logs. Thanks!

Best,
Matt

On Tuesday, September 20, 2022 at 4:41:46 PM UTC-4 skur...@roku.com wrote:

> Hi Nirmita,
>
> I'm facing the same issue. According to the documentation, we can send 
> multiple add operations requests at the same time. But i still get the  
> CONCURRENT_MODIFICATION 
> <https://developers.google.com/google-ads/api/reference/rpc/v9/DatabaseErrorEnum.DatabaseError?hl=en#concurrent_modification>
>  error. 
> can you please help with this ?
>
> Thanks,
> Sree
>
> On Wednesday, March 30, 2022 at 12:00:59 PM UTC-5 adsapi wrote:
>
>> Hi,
>>
>> Thank you for reaching out to the Google Ads API support team.
>>
>> In general, the CONCURRENT_MODIFICATION error occurs due to multiple 
>> processes that are trying to update the same entity at the same time. This 
>> also includes updating the entity in Google Ads UI while updating via the 
>> API as well. We recommend waiting for about 30 seconds, then retry the 
>> request via API to avoid the CONCURRENT_MODIFICATION 
>> <https://developers.google.com/google-ads/api/reference/rpc/v9/DatabaseErrorEnum.DatabaseError?hl=en#concurrent_modification>
>>  error. 
>>
>> That being said, you’ll need to ensure that only one operation is 
>> performed against an entity at each moment and slow down on the 
>> consolidated repeated mutates against the same entity into a single request 
>> to avoid this issue altogether. Please give this a try and let me know if 
>> you have any additional concerns.
>>
>>  ​
>> Thanks,
>> [image: Google Logo] 
>> Nirmita 
>> Google Ads API Team 
>>   
>>
>> ref:_00D1U1174p._5004Q2Ysj9k:ref
>>
>

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