---
title: MarkupError.malformedData
framework: PaperKit
role: symbol
role_heading: Case
platforms: [iOS 26.0+, iPadOS 26.0+, Mac Catalyst 26.0+, macOS 26.0+, visionOS 26.0+]
path: paperkit/markuperror/malformeddata
---

# MarkupError.malformedData

The binary data was malformed in some way.

## Declaration

```swift
case malformedData
```

## See Also

### Handling error cases

- [MarkupError.incorrectFormat](paperkit/markuperror/incorrectformat.md)
- [MarkupError.incompatibleFormatTooNew](paperkit/markuperror/incompatibleformattoonew.md)