I'm testing swift with CoreData and I created the following code: import UIKit import CoreData class Contact: NSManagedObject { @NSManaged var name: String @NSManaged var email: String class func execute(){ let appDel:AppDelegate = (UIApplication.sharedApplication().delegate as AppDelegate) let context:NSManagedObjectContext = appDel.managedObjectContext! let entityDescripition = NSEntityDescripti
![executeFetchRequest throw fatal error: NSArray element failed to match the Swift Array Element type](https://cdn-ak-scissors.b.st-hatena.com/image/square/98d6f053a97a87156775f60757c60865d0f2c47d/height=288;version=1;width=512/https%3A%2F%2Fcdn.sstatic.net%2FSites%2Fstackoverflow%2FImg%2Fapple-touch-icon%402.png%3Fv%3D73d79a89bded)