---
title: AccessoryMessage.Error.transportFailed
framework: accessorytransportextension
role: symbol
role_heading: Case
path: accessorytransportextension/accessorymessage/error/transportfailed
---

# AccessoryMessage.Error.transportFailed

An error indicating the transport failed but may recover.

## Declaration

```swift
case transportFailed
```

## Discussion

Discussion The system retries message delivery when you return this error.

## See Also

### Identifying error types

- [AccessoryMessage.Error.transportUnavailable](accessorytransportextension/accessorymessage/error/transportunavailable.md)