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# NetService.ErrorCode

These constants identify errors that can occur when accessing net services.

```
enum ErrorCode
```

## Topics

### Constants

[`NetService.ErrorCode.unknownError`](/documentation/Foundation/NetService/ErrorCode-swift.enum/unknownError)

An unknown error occurred.

[`NetService.ErrorCode.collisionError`](/documentation/Foundation/NetService/ErrorCode-swift.enum/collisionError)

The service could not be published because the name is already in use. The name could be in use locally or on another system.

[`NetService.ErrorCode.notFoundError`](/documentation/Foundation/NetService/ErrorCode-swift.enum/notFoundError)

The service could not be found on the network.

[`NetService.ErrorCode.activityInProgress`](/documentation/Foundation/NetService/ErrorCode-swift.enum/activityInProgress)

The net service cannot process the request at this time. No additional information about the network state is known.

[`NetService.ErrorCode.badArgumentError`](/documentation/Foundation/NetService/ErrorCode-swift.enum/badArgumentError)

An invalid argument was used when creating the `NSNetService` object.

[`NetService.ErrorCode.cancelledError`](/documentation/Foundation/NetService/ErrorCode-swift.enum/cancelledError)

The client canceled the action.

[`NetService.ErrorCode.invalidError`](/documentation/Foundation/NetService/ErrorCode-swift.enum/invalidError)

The net service was improperly configured.

[`NetService.ErrorCode.timeoutError`](/documentation/Foundation/NetService/ErrorCode-swift.enum/timeoutError)

The net service has timed out.


---

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