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

# QLThumbnailError.Code

Error codes that may be returned when generating a thumbnail.

## Declaration

```swift
enum Code
```

## Topics

### Error Codes

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

### Initializers

- [init(rawValue:)](quicklookthumbnailing/qlthumbnailerror-swift.struct/code/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Error Information

- [QLThumbnailErrorDomain](quicklookthumbnailing/qlthumbnailerrordomain.md)
- [QLThumbnailError](quicklookthumbnailing/qlthumbnailerror-swift.struct.md)