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# ARError

An error reported by ARKit.

```
struct ARError
```

## Topics

### Inspecting error information

[`static var errorDomain: String`](/documentation/ARKit/ARError/errorDomain)

### Identifying an error cause

[`enum Code`](/documentation/ARKit/ARError/Code)

Codes that identify errors in ARKit.

[`static var requestFailed: ARError.Code`](/documentation/ARKit/ARError/requestFailed)

An error that indicates a request fails.

[`static var cameraUnauthorized: ARError.Code`](/documentation/ARKit/ARError/cameraUnauthorized)

An error that indicates the app lacks user permission for the camera.

[`static var fileIOFailed: ARError.Code`](/documentation/ARKit/ARError/fileIOFailed)

An error that indicates a file access fails to read or write.

[`static var insufficientFeatures: ARError.Code`](/documentation/ARKit/ARError/insufficientFeatures)

An error that indicates the framework requires more features to complete a task.

[`static var invalidCollaborationData: ARError.Code`](/documentation/ARKit/ARError/invalidCollaborationData)

An error that indicates the framework fails to parse collaboration data the app receives over the network.

[`static var invalidConfiguration: ARError.Code`](/documentation/ARKit/ARError/invalidConfiguration)

An error that indicates the configuration contains ambiguous or erroneous data.

[`static var invalidReferenceImage: ARError.Code`](/documentation/ARKit/ARError/invalidReferenceImage)

An error that indicates the framework fails to process a reference image.

[`static var invalidReferenceObject: ARError.Code`](/documentation/ARKit/ARError/invalidReferenceObject)

An error that indicates the framework fails to process a reference object.

[`static var invalidWorldMap: ARError.Code`](/documentation/ARKit/ARError/invalidWorldMap)

An error that indicates the framework fails to process a world map.

[`static var microphoneUnauthorized: ARError.Code`](/documentation/ARKit/ARError/microphoneUnauthorized)

An error that indicates the app lacks user permission for the microphone.

[`static var objectMergeFailed: ARError.Code`](/documentation/ARKit/ARError/objectMergeFailed)

An error that indicates the framework fails to merge a detected object.

[`static var sensorFailed: ARError.Code`](/documentation/ARKit/ARError/sensorFailed)

An error that indicates a sensor fails to provide required input.

[`static var sensorUnavailable: ARError.Code`](/documentation/ARKit/ARError/sensorUnavailable)

An error that indicates the framework fails to access a required sensor.

[`static var unsupportedConfiguration: ARError.Code`](/documentation/ARKit/ARError/unsupportedConfiguration)

An error that indicates the device lacks support for the session’s configuration.

[`static var worldTrackingFailed: ARError.Code`](/documentation/ARKit/ARError/worldTrackingFailed)

An error that indicates when world tracking experiences an unrecoverable problem.

[`static var geoTrackingFailed: ARError.Code`](/documentation/ARKit/ARError/geoTrackingFailed)

An error that indicates when localization imagery fails to match the device’s camera captures.

[`static var geoTrackingNotAvailableAtLocation: ARError.Code`](/documentation/ARKit/ARError/geoTrackingNotAvailableAtLocation)

An error that indicates a location lacks geotracking support.

[`static var locationUnauthorized: ARError.Code`](/documentation/ARKit/ARError/locationUnauthorized)

An error that indicates the app lacks user permission for the device’s current location.

[`static var highResolutionFrameCaptureFailed: ARError.Code`](/documentation/ARKit/ARError/highResolutionFrameCaptureFailed)

An error that indicates a problem in the system’s capture pipeline.

[`static var highResolutionFrameCaptureInProgress: ARError.Code`](/documentation/ARKit/ARError/highResolutionFrameCaptureInProgress)

An error that indicates the system needs to finish a high-resolution frame request before accepting another request.

## Relationships

### Conforms To

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

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

[`CustomNSError`](/documentation/Foundation/CustomNSError)

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

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

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

---

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