---
title: CGImageMetadataErrors.prefixConflict
framework: imageio
role: symbol
role_heading: Case
path: imageio/cgimagemetadataerrors/prefixconflict
---

# CGImageMetadataErrors.prefixConflict

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

## Declaration

```swift
case prefixConflict
```

## See Also

### Error Codes

- [CGImageMetadataErrors.unknown](imageio/cgimagemetadataerrors/unknown.md)
- [CGImageMetadataErrors.unsupportedFormat](imageio/cgimagemetadataerrors/unsupportedformat.md)
- [CGImageMetadataErrors.badArgument](imageio/cgimagemetadataerrors/badargument.md)
- [CGImageMetadataErrors.conflictingArguments](imageio/cgimagemetadataerrors/conflictingarguments.md)