---
title: AppExtensionPoint.Error.hostMustBeApplicationOrAppExtension
framework: extensionfoundation
role: symbol
role_heading: Case
path: extensionfoundation/appextensionpoint/error/hostmustbeapplicationorappextension
---

# AppExtensionPoint.Error.hostMustBeApplicationOrAppExtension

An error that indicates the definition of an extension point in an unsupported target.

## Declaration

```swift
case hostMustBeApplicationOrAppExtension
```

## See Also

### Getting the error codes

- [AppExtensionPoint.Error.hostMustDefineAppExtensionPoint(_:)](extensionfoundation/appextensionpoint/error/hostmustdefineappextensionpoint(_:).md)
- [AppExtensionPoint.Error.hostMustHaveBundleIdentifier](extensionfoundation/appextensionpoint/error/hostmusthavebundleidentifier.md)
- [AppExtensionPoint.Error.invalidAppExtensionPoint](extensionfoundation/appextensionpoint/error/invalidappextensionpoint.md)
- [AppExtensionPoint.Error.unspecifiedAppExtensionPointName](extensionfoundation/appextensionpoint/error/unspecifiedappextensionpointname.md)