---
title: "VisionError.ioError(_:)"
framework: vision
role: symbol
role_heading: Case
path: "vision/visionerror/ioerror(_:)"
---

# VisionError.ioError(_:)

An error that indicates an I/O problem for an image, image sequence, or Core ML model.

## Declaration

```swift
case ioError(String)
```

## See Also

### Getting the error

- [VisionError.internalError(_:)](vision/visionerror/internalerror(_:).md)
- [VisionError.operationFailed(_:)](vision/visionerror/operationfailed(_:).md)
- [VisionError.outOfBoundsError(_:)](vision/visionerror/outofboundserror(_:).md)
- [VisionError.outOfMemory(_:)](vision/visionerror/outofmemory(_:).md)
- [VisionError.pixelBufferCreationFailed(_:)](vision/visionerror/pixelbuffercreationfailed(_:).md)
- [VisionError.requestCancelled(_:)](vision/visionerror/requestcancelled(_:).md)
- [VisionError.timeStampNotFound(_:)](vision/visionerror/timestampnotfound(_:).md)
- [VisionError.timeout(_:)](vision/visionerror/timeout(_:).md)