---
title: generationFailed
framework: Quick Look Thumbnailing
role: symbol
role_heading: Type Property
platforms: [iOS 13.0+, iPadOS 13.0+, Mac Catalyst 13.1+, macOS 10.15+, visionOS 1.0+]
path: quicklookthumbnailing/qlthumbnailerror-swift.struct/generationfailed
---

# generationFailed

The thumbnail couldn’t be created for the given file.

## Declaration

```swift
static var generationFailed: QLThumbnailError.Code { get }
```

## See Also

### Error Codes

- [noCachedThumbnail](quicklookthumbnailing/qlthumbnailerror-swift.struct/nocachedthumbnail.md)
- [noCloudThumbnail](quicklookthumbnailing/qlthumbnailerror-swift.struct/nocloudthumbnail.md)
- [requestCancelled](quicklookthumbnailing/qlthumbnailerror-swift.struct/requestcancelled.md)
- [requestInvalid](quicklookthumbnailing/qlthumbnailerror-swift.struct/requestinvalid.md)
- [savingToURLFailed](quicklookthumbnailing/qlthumbnailerror-swift.struct/savingtourlfailed.md)
- [QLThumbnailError.Code](quicklookthumbnailing/qlthumbnailerror-swift.struct/code.md)