RE: [google-admob-ads-sdk] admob mediation error: publisher data not found
Mobile Ads SDK Forum Advisor
Hi,
Thank you for contacting the Mobile Ads SDK Support team.
I'm deleting the thread from the forum as it consists of PII information.
The message Publisher data not found means that we're currently unable to locate data for this Ad Unit. If you've recently created the ad unit, please note that it may take some time before ads begin to serve.
I tested this using our sample project with your provided details:
App ID:ca-app-pub-016944xxxxx668~243xxxx03
Ad Unit ID: ca-app-pub-016/xxx154
We did not encounter the Publisher data not found error during testing.
Regarding mediation with Meta (Facebook), please ensure the following when testing:
- The Facebook app is installed on the test device.
- You are logged in with a valid Facebook account.
Refer to Meta’s documentation for further requirements. Without these conditions, it's expected that Facebook might not bid, although they could still receive bid requests.
As for Unity Ads, we were able to see ads being served correctly.Could you please check using our sample project? If you're still facing the Publisher data not found error, kindly share a sample project where the issue can be reproduced so we can investigate further.
Find below your previous response with redacted information.
Hello,
my app works fine with banner and interstitial adv.
Now I configured mediation but I received always "Publisher data not found" error.
My data are:
App-id: ca-app-pub-016xxxx668~24xxxx03
Mediation group ID: 627xxxx928 (interstitial)
Mediation group ID: 2487xxxx716 (banner)
Can you help me please?
Thanks,
 |
Mobile Ads SDK Team |
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[2025-09-11 09:37:52Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01u6ODr:ref" (ADR-00332454)
Mobile Ads SDK Forum Advisor
Hi,
If the issue from the previous mail is replicated in our sample project, please share the sample project to the drive link below
If the file(s) you are looking to share are less than 25mb in total you can attach them to this case on your next reply. If you are having trouble attaching your file to this case or if your file(s) are larger than 25mb, you can share your files with me by performing the following steps:
1. Navigate to
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3. Please reply back on this thread when you have uploaded your file(s). Please do not share this link.
Thanks,
|
Mobile Ads SDK Team |
Feedback
How was our support today?
[2025-09-11 09:45:27Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01u6ODr:ref" (ADR-00332454)
