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iOS

Assigning variable to a Counter creating unrecognied selector bug

What is wrong with this code? The line that says countOption1 = Counter() is creating a bug that says "unrecognized selector sent to class 0x10118f640" Why is that?

import UIKit

class ViewController: UIViewController {

override func viewDidLoad() {
    super.viewDidLoad()
    // Do any additional setup after loading the view, typically from a nib.

    var testObject = PFObject(className:"TestObject")
    testObject["foo"] = "bar"
    testObject.saveInBackgroundWithTarget(nil, selector: nil)

    class Counter : PFObject {
        var voteCount: Int = 0
        func incrementBy(amount: Int, numberOfTimes times: Int) { voteCount += amount * times
            println(" \(voteCount) votes")
        }
    }

    var countOption1 = PFObject(className: "countOption1")
        countOption1 = Counter()
        countOption1.saveInBackgroundWithTarget(PFObject.self, selector: nil)
}

override func didReceiveMemoryWarning() {
    super.didReceiveMemoryWarning()
    // Dispose of any resources that can be recreated.
}

}