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# invalidAdvertisedAppId

The App Store ID of the advertised app is invalid.

```
static var invalidAdvertisedAppId: SKANError.Code { get }
```

## Discussion

Ad networks provide an advertised app identifier when signing an ad impression. If you’re providing a StoreKit-rendered ad, check that the value you set for [`SKStoreProductParameterITunesItemIdentifier`](/documentation/StoreKit/SKStoreProductParameterITunesItemIdentifier) in [`loadProduct(withParameters:completionBlock:)`](/documentation/StoreKit/SKStoreProductViewController/loadProduct(withParameters:completionBlock:)) is a valid app identifer. If you’re providing a view-through ad, check the value of [`advertisedAppStoreItemIdentifier`](/documentation/StoreKit/SKAdImpression/advertisedAppStoreItemIdentifier).

---

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