---
title: NEFilterManagerError.configurationCannotBeRemoved
framework: networkextension
role: symbol
role_heading: Case
path: networkextension/nefiltermanagererror/configurationcannotberemoved
---

# NEFilterManagerError.configurationCannotBeRemoved

An error code that indicates removing the configuration isn’t allowed.

## Declaration

```swift
case configurationCannotBeRemoved
```

## See Also

### Error codes

- [NEFilterManagerError.configurationInvalid](networkextension/nefiltermanagererror/configurationinvalid.md)
- [NEFilterManagerError.configurationDisabled](networkextension/nefiltermanagererror/configurationdisabled.md)
- [NEFilterManagerError.configurationStale](networkextension/nefiltermanagererror/configurationstale.md)
- [NEFilterManagerError.configurationPermissionDenied](networkextension/nefiltermanagererror/configurationpermissiondenied.md)
- [NEFilterManagerError.configurationInternalError](networkextension/nefiltermanagererror/configurationinternalerror.md)