no ad config with error code 3 in test ads

user_16565729 0
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I have integrated AdMob into my android app and I am using test id to show ads. but whenever I run the app it always goes to onAdFailedToLoad method and I am getting this in response :

{
      "Code": 3,
      "Message": "No ad config.",
      "Domain": "com.google.android.gms.ads",
      "Cause": "null",
      "Response Info": {
        "Response ID": "null",
        "Mediation Adapter Class Name": "",
        "Adapter Responses": []
      }
    }

so I have created a new android project and I integrated the AdMob into the new project and it works fine. it shows ads perfectly.

packge name (Old Project) : com.mtapps.testapp1 (Ads not showing)
packge name (New Project) : com.mtapps.testapp2 (Ads showing)

but I change the package name of this new project (com.mtapps.testapp2) with my older project's package name (com.mtapps.testapp1) then it shows the same error.

so i think that problem is with package name (com.mtapps.testapp1)

how to solve this?

admob android-studio android java
1 Answers

It can be a problem with your build varíant or flavour. So simply change it (or modify your build.gradle) and it should be displaying fine.

At least that was in my case.

user_149921730
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