invalidRunnerUpPostback
A non-winning postback is defined with a version prior to version 3, in the testing environment.
Declaration
static var invalidRunnerUpPostback: SKAdTestError.Code { get }Discussion
Check that all non-winning postback you create with init(version:adNetworkIdentifier:adCampaignIdentifier:appStoreItemIdentifier:sourceAppStoreItemIdentifier:conversionValue:fidelityType:isRedownload:didWin:postbackURL:) in SKAdTestPostback specify version 3 (version3_0) or later. Non-winning postbacks are available starting in version 3. For more information about versions, see SKAdNetwork release notes.