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# QLThumbnailError.Code

Error codes that may be returned when generating a thumbnail.

```
enum Code
```

## Topics

### Error Codes

[`case generationFailed`](/documentation/QuickLookThumbnailing/QLThumbnailError-swift.struct/Code/generationFailed)

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

[`case noCachedThumbnail`](/documentation/QuickLookThumbnailing/QLThumbnailError-swift.struct/Code/noCachedThumbnail)

A low-quality thumbnail couldn’t be created.

[`case noCloudThumbnail`](/documentation/QuickLookThumbnailing/QLThumbnailError-swift.struct/Code/noCloudThumbnail)

The thumbnail for a remote file couldn’t be created.

[`case requestCancelled`](/documentation/QuickLookThumbnailing/QLThumbnailError-swift.struct/Code/requestCancelled)

The request to create a thumbnail was canceled.

[`case requestInvalid`](/documentation/QuickLookThumbnailing/QLThumbnailError-swift.struct/Code/requestInvalid)

The request to create a thumbnail was invalid, for example, there’s no file at a provided URL.

[`case savingToURLFailed`](/documentation/QuickLookThumbnailing/QLThumbnailError-swift.struct/Code/savingToURLFailed)

The thumbnail couldn’t be saved at the given URL.

### Initializers

[`init?(rawValue: Int)`](/documentation/QuickLookThumbnailing/QLThumbnailError-swift.struct/Code/init(rawValue:))

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`Equatable`](/documentation/Swift/Equatable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Hashable`](/documentation/Swift/Hashable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

---

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