failed to load ad : 3

Question

I\'m setting an ad to my Android application using DoubleClick and can\'t manage to show the final ad, can someone help me?

When I test an ad by adding ".addTest

Answer 1

I was getting this error in Flutter. Check the debug console and find this command

Use.RequestConfiguration.Builder().setTestDeviceIds(Arrays.asList("")

And copy the device id from list to MobileAdTargetingInfo testDevices and it will work !!!