Software⏱️ 2 min read📅 2026-05-31

How to Fix error 1 Error – Why I get the console warning: [Process] kill() returned unexpected error 1 when I load a WKWebView in iOS13.2?

Quick Answer: Check for iOS 13.2 beta compatibility issues and ensure WKWebView is properly configured, as this error is known to occur due to a bug in the iOS 13.2 beta.

The error message '[Process] kill() returned unexpected error 1' when loading a WKWebView in iOS13.2 is caused by a known issue with the WKWebView framework.

💡 Why You Are Getting This Error

  • [Cause]

🚀 How to Resolve This Issue

Method 1: Use the WKWebViewDelegate

  1. Step 1: Implement the WKWebViewDelegate in your ViewController and override the webView(_:didFailProvisioningWithError: method to handle any errors that occur during provisioning.

Method 2: Use a Third-Party Library

  1. Step 1: Install a third-party library such as Nine Old Androids or WKWebViewSwift to help resolve the issue.

💡 Conclusion

By implementing one of these methods, you should be able to resolve the '[Process] kill() returned unexpected error 1' issue when loading a WKWebView in iOS13.2.

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