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# SKANError.Code

Constants that indicate the type of error for an ad network attribution operation.

```
enum Code
```

## Topics

### Error Codes

[`case adNetworkIdMissing`](/documentation/StoreKit/SKANError-swift.struct/Code/adNetworkIdMissing)

The ad network identifier in the ad impression doesn’t match the value in the information property list.

[`case impressionMissingRequiredValue`](/documentation/StoreKit/SKANError-swift.struct/Code/impressionMissingRequiredValue)

A required value is missing from a view-through ad impression.

[`case impressionNotFound`](/documentation/StoreKit/SKANError-swift.struct/Code/impressionNotFound)

The system can’t find the ad impression.

[`case impressionTooShort`](/documentation/StoreKit/SKANError-swift.struct/Code/impressionTooShort)

[`case invalidAdvertisedAppId`](/documentation/StoreKit/SKANError-swift.struct/Code/invalidAdvertisedAppId)

The App Store ID of the advertised app is invalid.

[`case invalidCampaignId`](/documentation/StoreKit/SKANError-swift.struct/Code/invalidCampaignId)

The campaign identifier that you provided is invalid.

[`case invalidConversionValue`](/documentation/StoreKit/SKANError-swift.struct/Code/invalidConversionValue)

The conversion value is invalid.

[`case invalidSourceAppId`](/documentation/StoreKit/SKANError-swift.struct/Code/invalidSourceAppId)

The App Store ID of the app displaying the ad is invalid.

[`case invalidVersion`](/documentation/StoreKit/SKANError-swift.struct/Code/invalidVersion)

The SKAdNetwork version number is invalid.

[`case mismatchedSourceAppId`](/documentation/StoreKit/SKANError-swift.struct/Code/mismatchedSourceAppId)

The source app identifier in the ad impression doesn’t match the app identifier in the source app.

[`case unknown`](/documentation/StoreKit/SKANError-swift.struct/Code/unknown)

An unknown error occurred.

[`case unsupported`](/documentation/StoreKit/SKANError-swift.struct/Code/unsupported)

Your app attempted to use functionality that isn’t supported in the specified version.

### Initializers

[`init?(rawValue: Int)`](/documentation/StoreKit/SKANError-swift.struct/Code/init(rawValue:))

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

---

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