AdMob Native Ad return no fill

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蒲俊平

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Oct 23, 2025, 5:06:26 AM (9 days ago) Oct 23

to Google Mobile Ads SDK Developers

it can work when I use the test placement id , but when it switch placement id to the real id , it return me no fill , my app is live on play store.

Mobile Ads SDK Forum Advisor

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Oct 23, 2025, 11:04:15 AM (8 days ago) Oct 23

to pigski...@gmail.com, google-adm...@googlegroups.com

Hi,

Thank you for contacting the Mobile Ads SDK Support team.

Please use the following help center article to understand Common reasons for ads not showing and use the Can't See Ads Troubleshooter to debug the issue.

The Error code 3, no fill error means that the ad request was successful, but no ad was returned due to lack of ad inventory. Kindly note that the SDK just requests ads to the ad server and does not have any control on the ads it serves. I would recommend that you refer to AdMob Error Codes & Logs for more details about the issue.

Could you kindly provide the below information via reply to author option for further investigation:

app ID
ad unit ID
Mobile Ads SDK Version
Charles logs

Thanks,

Mobile Ads SDK Team

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[2025-10-23 15:03:03Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01vRaZU:ref" (ADR-00336339)

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