---
title: MobileDocumentReaderError
framework: proximityreader
role: symbol
role_heading: Enumeration
path: proximityreader/mobiledocumentreadererror
---

# MobileDocumentReaderError

An error type that indicates problems when preparing a mobile document reader session and performing document requests.

## Declaration

```swift
enum MobileDocumentReaderError
```

## Mentioned in

Adopting the Verifier API in your iPhone app

## Topics

### Getting the error code

- [MobileDocumentReaderError.cancelled](proximityreader/mobiledocumentreadererror/cancelled.md)
- [MobileDocumentReaderError.invalidRequest](proximityreader/mobiledocumentreadererror/invalidrequest.md)
- [MobileDocumentReaderError.invalidResponse](proximityreader/mobiledocumentreadererror/invalidresponse.md)
- [MobileDocumentReaderError.invalidToken](proximityreader/mobiledocumentreadererror/invalidtoken.md)
- [MobileDocumentReaderError.networkUnavailable](proximityreader/mobiledocumentreadererror/networkunavailable.md)
- [MobileDocumentReaderError.notAllowed](proximityreader/mobiledocumentreadererror/notallowed.md)
- [MobileDocumentReaderError.notSupported](proximityreader/mobiledocumentreadererror/notsupported.md)
- [MobileDocumentReaderError.serviceUnavailable](proximityreader/mobiledocumentreadererror/serviceunavailable.md)
- [MobileDocumentReaderError.sessionExpired](proximityreader/mobiledocumentreadererror/sessionexpired.md)
- [MobileDocumentReaderError.systemBusy](proximityreader/mobiledocumentreadererror/systembusy.md)
- [MobileDocumentReaderError.unknown](proximityreader/mobiledocumentreadererror/unknown.md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Error](swift/error.md)
- [Escapable](swift/escapable.md)
- [Hashable](swift/hashable.md)
- [LocalizedError](foundation/localizederror.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Errors

- [PaymentCardReaderError](proximityreader/paymentcardreadererror.md)