---
title: kCVReturnError
framework: corevideo
role: symbol
role_heading: Global Variable
path: corevideo/kcvreturnerror
---

# kCVReturnError

An otherwise undefined error occurred.

## Declaration

```swift
var kCVReturnError: CVReturn { get }
```

## See Also

### Common

- [kCVReturnAllocationFailed](corevideo/kcvreturnallocationfailed.md)
- [kCVReturnInvalidArgument](corevideo/kcvreturninvalidargument.md)
- [kCVReturnSuccess](corevideo/kcvreturnsuccess.md)
- [kCVReturnUnsupported](corevideo/kcvreturnunsupported.md)
- [kCVReturnLast](corevideo/kcvreturnlast.md)
- [kCVReturnFirst](corevideo/kcvreturnfirst.md)