---
title: NEAppProxyFlowError.Code.invalidArgument
framework: networkextension
role: symbol
role_heading: Case
path: networkextension/neappproxyflowerror-swift.struct/code/invalidargument
---

# NEAppProxyFlowError.Code.invalidArgument

A proxy flow method received an invalid argument.

## Declaration

```swift
case invalidArgument
```

## See Also

### Error Codes

- [NEAppProxyFlowError.Code.notConnected](networkextension/neappproxyflowerror-swift.struct/code/notconnected.md)
- [NEAppProxyFlowError.Code.peerReset](networkextension/neappproxyflowerror-swift.struct/code/peerreset.md)
- [NEAppProxyFlowError.Code.hostUnreachable](networkextension/neappproxyflowerror-swift.struct/code/hostunreachable.md)
- [NEAppProxyFlowError.Code.aborted](networkextension/neappproxyflowerror-swift.struct/code/aborted.md)
- [NEAppProxyFlowError.Code.refused](networkextension/neappproxyflowerror-swift.struct/code/refused.md)
- [NEAppProxyFlowError.Code.timedOut](networkextension/neappproxyflowerror-swift.struct/code/timedout.md)
- [NEAppProxyFlowError.Code.internal](networkextension/neappproxyflowerror-swift.struct/code/internal.md)
- [NEAppProxyFlowError.Code.datagramTooLarge](networkextension/neappproxyflowerror-swift.struct/code/datagramtoolarge.md)
- [NEAppProxyFlowError.Code.readAlreadyPending](networkextension/neappproxyflowerror-swift.struct/code/readalreadypending.md)