Thread 1: Signal Sigabrt Error When Using Ibactions

Thread 1: signal SIGABRT error when using IBActions?

Your code is senseless. You are saying:

actionSheet.addAction(UIAlertAction(title: "Camera roll", style: UIAlertActionStyle.Default, handler: { ( alert: UIAlertAction!) -> Void in
    imagePickerController.sourceType = UIImagePickerControllerSourceType.Camera
    self.presentViewController(imagePickerController, animated: true, completion: nil)
} ))

If the user is going to tap a "Camera roll" button, why would you then create an image picker controller with a Camera source type? That isn't what the user asked for.

The error, by the way, simply means there is no camera. You are not trying to run this code in the Simulator, are you? That would be senseless too. The camera exists only on a device — a device with a camera.

Can't resolve error: Thread 1: signal SIGABRT in swift XCODE

Open up assistant editor (2 circles thing on top right). Open the storyboard on the left screen and the code for the view controller that is causing the error on the right side. Make sure all the dots are bubbled in (dots appear next to where you connect your outlets) on the code side of your screen. If it isn't filled in, drag the bubble to the correct outlet

Also, if you changed the name of an outlet, you will have something like the image below. Press the x to delete that connection and drag the circle to the right of it and reconnect it.

Swift error : signal SIGABRT how to solve it

To solve the problem, first clean the project and then rebuild.

To clean the project, go to MenuBar: Product -> Clean

Then to rebuild the project, just click the Run button as usual.

Swift: Thread 1 signal SIGABRT

Seems like there was a bug with iOS 7.1 as target.

Running tests on devices with iOS 7.1 installed now works. (17028705)

Try it again with the beta 2 update

Thread 1: signal SIGABRT error due to Button

First, don't put generateYourNumbersButtonPress inside of viewDidLoad.

Second, mark generateYourNumbersButtonPress as an @IBAction.

Third, reconnect the action to the button after fixing the above two issues so you connect the proper action method to the button's event.

How to solve the Thread 1: signal SIGABRT error in Xcode?

Have you checked your @IBAction and @IBOutlet are correctly binded to your storyboard ?

'NSUnknownKeyException', reason: '[ setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key savePerson.' feels like either the @IBAction or IBOutlet is not correctly binded, or that you didn't set the class correctly for your view controllers in your storyboard. looks to me like it is trying to access the method savePerson but cannot find it in the binded class.

Swift App Development Error - Thread 1 Signal SIGABRT

This

[ColorMix.ViewController greenSwitch:]: unrecognized selector sent to instance

means that you have created an IBAction named greenSwitch then deleted it , so try to remove it from the switch in IB , or create that action inside the VC

I keep getting Thread 1: signal SIGABRT in Xcode

If you created a Control and added an outlet connection to the view controller and then removed the Control from the page before removing the outlet connection properly from the Control's connections, then "Thread 1: signal SIGABRT" error happens. I had the same issue before. It might also be saying that your class is not KeyValueCoding compliant or something. Make sure you clear all connections of the control before you remove the control.

Thread 1: signal SIGABRT Error on my program

Similar to Florin's answer, but might get your solution faster, is if you remove the action attached to your button in your xib or storyboard (assuming you're using either), then re-attach targeting your Retry: method in your code. If that doesn't help, please provide a screenshot of the action for this button on the InterfaceBuilder side.

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