---
title: MSCriticalMessagingError.notSupported
framework: messages
role: symbol
role_heading: Case
path: messages/mscriticalmessagingerror/notsupported
---

# MSCriticalMessagingError.notSupported

The framework doesn’t support the current device.

## Declaration

```swift
case notSupported
```

## Mentioned in

Sending SMS messages from an app

## Discussion

Discussion The device a person is using isn’t supported by the Critical Messaging API.

## See Also

### Error codes

- [MSCriticalMessagingError.unknown](messages/mscriticalmessagingerror/unknown.md)
- [MSCriticalMessagingError.invalidAuthenticationRequest](messages/mscriticalmessagingerror/invalidauthenticationrequest.md)
- [MSCriticalMessagingError.notAuthorized](messages/mscriticalmessagingerror/notauthorized.md)
- [MSCriticalMessagingError.sendFailed](messages/mscriticalmessagingerror/sendfailed.md)