---
title: DeviceActivityData.Error
framework: deviceactivity
role: symbol
role_heading: Enumeration
path: deviceactivity/deviceactivitydata/error
---

# DeviceActivityData.Error

Errors that may occur when attempting to fetch activity data.

## Declaration

```swift
enum Error
```

## Topics

### Representing errors

- [DeviceActivityData.Error.unavailable](deviceactivity/deviceactivitydata/error/unavailable.md)
- [DeviceActivityData.Error.unauthorized](deviceactivity/deviceactivitydata/error/unauthorized.md)
- [DeviceActivityData.Error.missingData](deviceactivity/deviceactivitydata/error/missingdata.md)

### Describing errors

- [errorDescription](deviceactivity/deviceactivitydata/error/errordescription.md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Error](swift/error.md)
- [Escapable](swift/escapable.md)
- [Hashable](swift/hashable.md)
- [LocalizedError](foundation/localizederror.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Managing data access

- [DeviceActivityData.Policy](deviceactivity/deviceactivitydata/policy.md)