Ich erhalte diesen FehlerDiese Anwendung ändert die Autolayout-Engine von einem Hintergrund-Thread aus, was zu einer Beschädigung der Engine und zu merkwürdigen Abstürzen führen kann. Dies wird in einer zukünftigen Version eine Ausnahme verursachen. Ich weiß nicht, was diesen Fehler verursacht. Kann mir jemand helfen

func getUserDataFromTwitterWithUser(user : PFUser)
 {
//NRLoader.showLoader()
let strTwURL = "https://api.twitter.com/1.1/users/show.json?     screen_name="+PFTwitterUtils.twitter()!.screenName! + "&access_token="+PFTwitterUtils.twitter()!.authToken!
let twURL = NSURL (string: strTwURL)

let request = NSMutableURLRequest(URL: twURL!, cachePolicy: NSURLRequestCachePolicy.UseProtocolCachePolicy, timeoutInterval: 2.0) as NSMutableURLRequest

PFTwitterUtils.twitter()?.signRequest(request)

let session = NSURLSession.sharedSession()

session.dataTaskWithRequest(request, completionHandler: {(data, response, error) in
  if error == nil {
    var  jsonOptional = Dictionary<String, AnyObject>()

    do {
      jsonOptional = try NSJSONSerialization.JSONObjectWithData(data!, options:NSJSONReadingOptions.MutableContainers ) as! Dictionary<String, AnyObject>
      // use jsonData
    } catch {
      // report error
    }
    var userName = ""
    if let screenName = jsonOptional["screen_name"] as? String{
      userName = screenName
    }
    else if let name = jsonOptional["name"] as? String{
      userName = name
    }

    var profilePicUrl = ""


    if let picUrl = jsonOptional["profile_image_url"] as? String{
      profilePicUrl = picUrl
    }
    AppUser.currentUser()?.username = userName
    AppUser.currentUser()?.profileAwsURL = profilePicUrl
    //NRLoader.hideLoader()
    //if ParseUtils.isLoggedInUserIsAnonymous() {
      let signUpVC:SignMeUpViewController = self.storyboard!.instantiateViewControllerWithIdentifier("SignMeUpViewController") as! SignMeUpViewController
      signUpVC.isFromLogin = true
      self.navigationController!.pushViewController(signUpVC, animated: true)

    //} else {
     // self.pushToSubmitDreamViewController()
    //}
  }
  else {
    //NRLoader.hideLoader()
    NRToast.showToastWithMessage(error!.description)
  }


}).resume()
 }