---
title: NEVPNError.Code.configurationReadWriteFailed
framework: networkextension
role: symbol
role_heading: Case
path: networkextension/nevpnerror-swift.struct/code/configurationreadwritefailed
---

# NEVPNError.Code.configurationReadWriteFailed

An error code that indicates an error occurred while reading or writing the Network Extension preferences.

## Declaration

```swift
case configurationReadWriteFailed
```

## See Also

### Error codes

- [NEVPNError.Code.configurationDisabled](networkextension/nevpnerror-swift.struct/code/configurationdisabled.md)
- [NEVPNError.Code.configurationInvalid](networkextension/nevpnerror-swift.struct/code/configurationinvalid.md)
- [NEVPNError.Code.connectionFailed](networkextension/nevpnerror-swift.struct/code/connectionfailed.md)
- [NEVPNError.Code.configurationStale](networkextension/nevpnerror-swift.struct/code/configurationstale.md)
- [NEVPNError.Code.configurationUnknown](networkextension/nevpnerror-swift.struct/code/configurationunknown.md)