---
title: AccessorySecuritySession.Error.unsupported
framework: accessorytransportextension
role: symbol
role_heading: Case
path: accessorytransportextension/accessorysecuritysession/error/unsupported
---

# AccessorySecuritySession.Error.unsupported

Unsupported value, operation, etc.

## Declaration

```swift
case unsupported
```

## See Also

### Interpreting the error cause

- [AccessorySecuritySession.Error.invalidated](accessorytransportextension/accessorysecuritysession/error/invalidated.md)
- [AccessorySecuritySession.Error.unknown](accessorytransportextension/accessorysecuritysession/error/unknown.md)