iOS 11 NSPredicate search on Swift array crashing - NSUnknownKeyException
iOS 11 NSPredicate search on Swift array crashing - NSUnknownKeyException I am using NSPredicate to filter an array in Swift. The problem is after updating to iOS 11 (Xcode 9 /w Swift 4), I keep getting a crash on the filter line. Here is the crash log: Terminating app due to uncaught exception 'NSUnknownKeyException', reason: >'[ valueForUndefinedKey:]: this class is not key >value coding-compliant for the key name.' Here is an example of the class that I have an array of: final class Model: NSObject { let name: String init(name: String) { self.name = name } } Here is the code that is crashing: let myArray = [Model(name: "Jason"), Model(name: "Brian")] let predicate = NSPredicate(format: "name == 'Jason'") let filteredArray = myArray.filter { predicate.evaluate(with: $0)} Question is why is this crashing now that I updated to iOS 11? 1 Answer ...