---
title: WKError.Code
framework: webkit
role: symbol
role_heading: Enumeration
path: webkit/wkerror/code
---

# WKError.Code

Possible error values that WebKit APIs can return.

## Declaration

```swift
enum Code
```

## Topics

### Errors

- [WKError.Code.unknown](webkit/wkerror/code/unknown.md)
- [WKError.Code.webContentProcessTerminated](webkit/wkerror/code/webcontentprocessterminated.md)
- [WKError.Code.webViewInvalidated](webkit/wkerror/code/webviewinvalidated.md)
- [WKError.Code.javaScriptExceptionOccurred](webkit/wkerror/code/javascriptexceptionoccurred.md)
- [WKError.Code.javaScriptResultTypeIsUnsupported](webkit/wkerror/code/javascriptresulttypeisunsupported.md)
- [WKError.Code.contentRuleListStoreCompileFailed](webkit/wkerror/code/contentruleliststorecompilefailed.md)
- [WKError.Code.contentRuleListStoreLookUpFailed](webkit/wkerror/code/contentruleliststorelookupfailed.md)
- [WKError.Code.contentRuleListStoreRemoveFailed](webkit/wkerror/code/contentruleliststoreremovefailed.md)
- [WKError.Code.contentRuleListStoreVersionMismatch](webkit/wkerror/code/contentruleliststoreversionmismatch.md)
- [WKError.Code.attributedStringContentFailedToLoad](webkit/wkerror/code/attributedstringcontentfailedtoload.md)
- [WKError.Code.attributedStringContentLoadTimedOut](webkit/wkerror/code/attributedstringcontentloadtimedout.md)
- [WKError.Code.javaScriptInvalidFrameTarget](webkit/wkerror/code/javascriptinvalidframetarget.md)
- [WKError.Code.navigationAppBoundDomain](webkit/wkerror/code/navigationappbounddomain.md)
- [WKError.Code.javaScriptAppBoundDomain](webkit/wkerror/code/javascriptappbounddomain.md)
- [WKError.Code.credentialNotFound](webkit/wkerror/code/credentialnotfound.md)
- [WKError.Code.duplicateCredential](webkit/wkerror/code/duplicatecredential.md)
- [WKError.Code.malformedCredential](webkit/wkerror/code/malformedcredential.md)

### Initializers

- [init(rawValue:)](webkit/wkerror/code/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

- [WKError](webkit/wkerror.md)