---
title: AccessoryControlDevice.Error.accessoryNotCapable
framework: AudioAccessoryKit
role: symbol
role_heading: Case
platforms: [iOS 26.4+]
path: audioaccessorykit/accessorycontroldevice/error/accessorynotcapable
---

# AccessoryControlDevice.Error.accessoryNotCapable

An error indicating the accessory doesn’t support the requested capability.

## Declaration

```swift
case accessoryNotCapable
```

## See Also

### Error cases

- [AccessoryControlDevice.Error.invalidRequest](audioaccessorykit/accessorycontroldevice/error/invalidrequest.md)
- [AccessoryControlDevice.Error.invalidated](audioaccessorykit/accessorycontroldevice/error/invalidated.md)
- [AccessoryControlDevice.Error.unknown](audioaccessorykit/accessorycontroldevice/error/unknown.md)