Google Ads Tag Improver by Stape

Google Tag Manager Server Container
1

image
image893×806 24 KB

Google Ads Conversion Improver Tag — NO_CONVERSION_ACTION_FOUND error

Hi everyone,

I’m setting up the Google Ads Conversion Improver Tag in my server GTM container and I’m getting a NO_CONVERSION_ACTION_FOUND error, even though the conversion action exists in Google Ads.

Setup:

  • Hosting: Stape
  • Authentication: Own Google Credentials (Service Account with JSON Key)
  • Google Ads API enabled in GCP project
  • Service Account has the “Service Account Token Creator” role
  • Developer Token configured in the tag

Tag configuration:

  • Operating Customer ID: 9649774788 (the sub-account where the conversion lives)
  • Customer ID: 8605275825 (MCC account)
  • Source Conversion Action ID: 466888254
  • Destination Conversion Action ID: 466888254

Error response (HTTP 200 with partialFailureError):

{
  "partialFailureError": {
    "code": 3,
    "message": "The conversion action specified in the adjustment request cannot be found. Make sure it's available in this account., at conversion_adjustments[0].conversion_action",
    "errors": [{
      "errorCode": { "conversionAdjustmentUploadError": "NO_CONVERSION_ACTION_FOUND" },
      "trigger": { "stringValue": "customers/9649774788/conversionActions/466888254" }
    }]
  }
}

What I’ve verified:

  • The conversion action 466888254 is visible in the Google Ads UI under account 964-977-4788
  • The conversion type is Website (online conversion)
  • The conversion was NOT created at MCC level — it belongs to the sub-account
  • The Service Account was initially added only at MCC level. I’m now adding it directly to the sub-account as well

Any help would be appreciated. Thanks!

2

Hi @daniele.pikk, try using the sub-account ID also in the Customer ID field.

3

I tried and the response is “User Access Denied”, imo because i have access only on the MCC level?

4

Yes, the Service Account not having access to or the necessary permissions on the sub-account can produce this error.

Besides that:

  • the conversion must be enabled
  • the Operating Account ID used must be the one from the account that manages the conversion (i.e., that Conversion management setting at MCC level that displays 2 options: “Client” or “This manager”). If “Client”, use the ID of the sub-account as the Operating Customer ID; else, use the MCC’s.