We experience the exact same issue as described above (on 10+ accounts). So
would be very interested in hearing about a solution.
We have also tested it on other versions of the API like V20 and V22, but
with the same result.
A few of our responses including requestIds:
{ "message": "Request contains an invalid argument.", "code": 3, "status":
"INVALID_ARGUMENT", "details": [ { "@type":
"type.googleapis.com\/google.ads.googleads.v21.errors.GoogleAdsFailure",
"errors": [ { "errorCode": { "requestError": "UNKNOWN" }, "message": "The
error code is not in this version." } ], "requestId":
"7W8fbjLYJzLmdunE-KqG-A" } ]}
{ "message": "Request contains an invalid argument.", "code": 3, "status":
"INVALID_ARGUMENT", "details": [ { "@type":
"type.googleapis.com\/google.ads.googleads.v21.errors.GoogleAdsFailure",
"errors": [ { "errorCode": { "requestError": "UNKNOWN" }, "message": "The
error code is not in this version." } ], "requestId":
"Zr1k-54SEzf3cZza8jNnXw" } ]}
On Thursday, 6 November 2025 at 08:07:50 UTC+1 Google Ads API Forum Advisor
wrote:
>
>
> Hi,
>
>
>
> With regard to your concern, I am checking with the rest of our team and
> one of our colleagues will reach out to you once we have an update.
>
>
> Thanks,
>
> [image: Google Logo] Google Ads API Team
> Feedback
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> [2025-11-06 07:07:17Z GMT] This message is in relation to case
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