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# AEAssessmentError

Errors issued by an assessment session to its delegate.

```
struct AEAssessmentError
```

## Topics

### Error codes

[`static var unknown: AEAssessmentError.Code`](/documentation/AutomaticAssessmentConfiguration/AEAssessmentError/unknown)

The session encountered an unknown error.

[`static var unsupportedPlatform: AEAssessmentError.Code`](/documentation/AutomaticAssessmentConfiguration/AEAssessmentError/unsupportedPlatform)

The feature isn’t supported on this platform.

[`enum Code`](/documentation/AutomaticAssessmentConfiguration/AEAssessmentError/Code)

Error codes that the framework returns if a session fails.

### Error characteristics

[`let AEAssessmentErrorDomain: String`](/documentation/AutomaticAssessmentConfiguration/AEAssessmentErrorDomain)

A constant representing the error domain that the framework uses when issuing errors.

### Comparing errors

### Instance Properties

[`var notInstalledParticipants: [String]?`](/documentation/AutomaticAssessmentConfiguration/AEAssessmentError/notInstalledParticipants)

[`var restrictedSystemParticipants: [String]?`](/documentation/AutomaticAssessmentConfiguration/AEAssessmentError/restrictedSystemParticipants)

### Type Properties

[`static var configurationUpdatesNotSupported: AEAssessmentError.Code`](/documentation/AutomaticAssessmentConfiguration/AEAssessmentError/configurationUpdatesNotSupported)

[`static var errorDomain: String`](/documentation/AutomaticAssessmentConfiguration/AEAssessmentError/errorDomain)

[`static var multipleParticipantsNotSupported: AEAssessmentError.Code`](/documentation/AutomaticAssessmentConfiguration/AEAssessmentError/multipleParticipantsNotSupported)

[`static var requiredParticipantsNotAvailable: AEAssessmentError.Code`](/documentation/AutomaticAssessmentConfiguration/AEAssessmentError/requiredParticipantsNotAvailable)

## Relationships

### Conforms To

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

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

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

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

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

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

---

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