Resolving the “Could Not Insert New Outlet Connection” Error in Xcode

Resolving the "Could Not Insert New Outlet Connection" Error in Xcode

28 February 2025 Stephan Petzl Leave a comment Xcode

Xcode developers often encounter the frustrating error message: “Could not insert new outlet connection: Could not find any information for the class named.” This issue typically arises when attempting to connect an outlet or action in Interface Builder to a corresponding code component. Fortunately, there are several strategies to troubleshoot and resolve this problem.

Step-by-Step Solutions

Here are some effective methods to fix this issue, organized by increasing complexity:

  • Clean the project: Navigate to Product > Clean to remove any temporary files that might be causing the issue.
  • Manual code insertion: Type or paste the outlet or action declaration directly into your code file. For example: 
    @IBOutlet weak var viewName: UIView!
// or
@IBAction func viewTapped(_ sender: Any) { }

    Then control-drag from the storyboard to this code to establish the connection.

  • Restart Xcode: Completely close Xcode, then reopen your project.
  • Delete Derived Data: Go to Xcode > Preferences > Locations and click the gray arrow next to the Derived Data folder. Locate your project folder and delete it.
  • Re-add class references: Click on the class in your project, choose “Remove Reference,” and then add it back again.

Additional Tips

If the above steps do not resolve the issue, consider these additional pointers:

  • Ensure the Assistant Editor is set to “Automatic” rather than “Manual” when trying to establish connections.
  • Check that the correct ViewController.swift file is selected in the Interface Builder.
  • Remove and re-add class name references in the storyboard or XIB file, then clean and build your project.

Conclusion

Tackling this outlet connection error in Xcode can be a challenge, but by following these solutions, you should be able to resolve the issue effectively. For those looking to streamline their development and testing processes, consider utilizing tools like Repeato.

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