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# CGImageMetadataErrors

Constants for errors that occur when getting or setting metadata information.

```
enum CGImageMetadataErrors
```

## Topics

### Error Codes

[`kCGImageMetadataErrorUnknown`](/documentation/ImageIO/CGImageMetadataErrors/unknown)

An error that indicates an unknown condition occurred.

[`kCGImageMetadataErrorUnsupportedFormat`](/documentation/ImageIO/CGImageMetadataErrors/unsupportedFormat)

An error that indicates the metadata was in an unsupported format.

[`kCGImageMetadataErrorBadArgument`](/documentation/ImageIO/CGImageMetadataErrors/badArgument)

An error that indicates a parameter was malformed or contained invalid data.

[`kCGImageMetadataErrorConflictingArguments`](/documentation/ImageIO/CGImageMetadataErrors/conflictingArguments)

An error that indicates an attempt to save conflicting metadata values.

[`kCGImageMetadataErrorPrefixConflict`](/documentation/ImageIO/CGImageMetadataErrors/prefixConflict)

An error that indicates an attempt to register a namespace with a prefix that is different than the namespace’s existing prefix.

## Relationships

### Conforms To

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

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

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

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

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

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

---

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