---
title: NEFilterManagerError
framework: networkextension
role: symbol
role_heading: Enumeration
path: networkextension/nefiltermanagererror
---

# NEFilterManagerError

Error codes specific to filter managers.

## Declaration

```swift
enum NEFilterManagerError
```

## Topics

### Error codes

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

### Initializers

- [init(rawValue:)](networkextension/nefiltermanagererror/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Errors

- [NEFilterErrorDomain](networkextension/nefiltererrordomain.md)