---
title: AEAssessmentError
framework: Automatic Assessment Configuration
role: symbol
role_heading: Structure
platforms: [iOS 13.4+, iPadOS 13.4+, Mac Catalyst 14.0+, macOS 10.15.4+]
path: automaticassessmentconfiguration/aeassessmenterror
---

# AEAssessmentError

Errors issued by an assessment session to its delegate.

## Declaration

```swift
struct AEAssessmentError
```

## Topics

### Error codes

- [unknown](automaticassessmentconfiguration/aeassessmenterror/unknown.md)
- [unsupportedPlatform](automaticassessmentconfiguration/aeassessmenterror/unsupportedplatform.md)
- [AEAssessmentError.Code](automaticassessmentconfiguration/aeassessmenterror/code.md)

### Error characteristics

- [AEAssessmentErrorDomain](automaticassessmentconfiguration/aeassessmenterrordomain.md)

### Instance Properties

- [notInstalledParticipants](automaticassessmentconfiguration/aeassessmenterror/notinstalledparticipants.md)
- [restrictedSystemParticipants](automaticassessmentconfiguration/aeassessmenterror/restrictedsystemparticipants.md)

### Type Properties

- [configurationUpdatesNotSupported](automaticassessmentconfiguration/aeassessmenterror/configurationupdatesnotsupported.md)
- [errorDomain](automaticassessmentconfiguration/aeassessmenterror/errordomain.md)
- [multipleParticipantsNotSupported](automaticassessmentconfiguration/aeassessmenterror/multipleparticipantsnotsupported.md)
- [requiredParticipantsNotAvailable](automaticassessmentconfiguration/aeassessmenterror/requiredparticipantsnotavailable.md)

## Relationships

### Conforms To

- [CustomNSError](foundation/customnserror.md)
- [Equatable](swift/equatable.md)
- [Error](swift/error.md)
- [Hashable](swift/hashable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Errors

- [AEAssessmentError.Code](automaticassessmentconfiguration/aeassessmenterror/code.md)
- [AEAssessmentErrorDomain](automaticassessmentconfiguration/aeassessmenterrordomain.md)