Apple has announced that it is going to drop support for iAds, the Apple advertising network. As such, you cannot submit new apps that have the iAds plugin in them, and your existing apps must be updated to remove iAds before June 30. Realistically you should make this change sooner than later.
To avoid confusion for new community members, we will remove the iAds plugin as of March 31, 2016 and you will no longer be able to submit to iTunes Connect with iAds.
As an alternative, we recommend that you consider replacing iAds with another ad provider such as the Facebook Audience Network. Read the blog post to learn more about Facebook’s high eCPM ad network.