---
title: SFError.Code.noExtensionFound
framework: Safari app extensions
role: symbol
role_heading: Case
platforms: [iOS 10.0+, iPadOS 10.0+, Mac Catalyst 13.4+, macOS 10.12+, visionOS 1.0+]
path: safariservices/sferror/code/noextensionfound
---

# SFError.Code.noExtensionFound

A Content Blocker or Safari app extension with the specified bundle identifier was not found, or the bundle identifier specified an extension that was not owned by you.

## Declaration

```swift
case noExtensionFound
```

## See Also

### Error Codes

- [SFError.Code.loadingInterrupted](safariservices/sferror/code/loadinginterrupted.md)
- [SFError.Code.noAttachmentFound](safariservices/sferror/code/noattachmentfound.md)