---
title: readerSessionInvalidationErrorSessionTerminatedUnexpectedly
framework: corenfc
role: symbol
role_heading: Type Property
path: corenfc/nfcreadererror-swift.struct/readersessioninvalidationerrorsessionterminatedunexpectedly
---

# readerSessionInvalidationErrorSessionTerminatedUnexpectedly

The reader session terminated unexpectedly.

## Declaration

```swift
static var readerSessionInvalidationErrorSessionTerminatedUnexpectedly: NFCReaderError.Code { get }
```

## See Also

### Session Errors

- [readerSessionInvalidationErrorFirstNDEFTagRead](corenfc/nfcreadererror-swift.struct/readersessioninvalidationerrorfirstndeftagread.md)
- [readerSessionInvalidationErrorSessionTimeout](corenfc/nfcreadererror-swift.struct/readersessioninvalidationerrorsessiontimeout.md)
- [readerSessionInvalidationErrorSystemIsBusy](corenfc/nfcreadererror-swift.struct/readersessioninvalidationerrorsystemisbusy.md)
- [readerSessionInvalidationErrorUserCanceled](corenfc/nfcreadererror-swift.struct/readersessioninvalidationerrorusercanceled.md)