---
title: unexpectedContinuationByte
framework: swift
role: symbol
role_heading: Type Property
path: swift/unicode/utf8/validationerror/kind-swift.struct/unexpectedcontinuationbyte
---

# unexpectedContinuationByte

A continuation byte (10xxxxxx) outside of a multi-byte sequence

## Declaration

```swift
static var unexpectedContinuationByte: Unicode.UTF8.ValidationError.Kind { get }
```