Hi Everyone,Can someone help me out with this?When I compile the application I get an error equal to this: Could not build Objective-C module 'Firebase'This error appears in "Import Firebase" of my file "ViewController.swift".

Error message when running the application with the simulator.Fatal error: Index out of range, in the line where I try to some value to an arrayI really hope you have an answer for meHere is my codeimport UIKitclass ViewController: UIViewController { @IBOutlet weak var questionTextView: UITextView! @IBOutlet weak var judgement: UILabel! @IBOutlet weak var ans1: UIButton! @IBOutlet weak var ans2: UIButton! @IBOutlet weak var ans3: UIButton! @IBOutlet weak var ans4: UIButton! var question = "" var CorAns = 0 var quizData: [Any] = [] override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view. loadJsonFile() updateQA() } func updateQA() { let index = Int.random(in: 0...10) let quizObject = quizData[index] as! Dictionary<String,Any> // ===> Thread 1: Fatal error: Index out of range question = quizObject["question"] as! String questionTextView.text = question let correctAns: String = quizObject["correct_answer"] as! String let wrongAns: [String] = quizObject["incorrect_answers"] as! [String] let correctIndex: Int = Int.random(in: 0...3) switch correctIndex { case 0: CorAns = 0 ans1.setTitle(correctAns, for: .normal) ans2.setTitle(wrongAns[0], for: .normal) ans3.setTitle(wrongAns[1], for: .normal) ans4.setTitle(wrongAns[2], for: .normal) case 1: CorAns = 1 ans2.setTitle(correctAns, for: .normal) ans1.setTitle(wrongAns[0], for: .normal) ans3.setTitle(wrongAns[1], for: .normal) ans4.setTitle(wrongAns[2], for: .normal) case 2: CorAns = 2 ans3.setTitle(correctAns, for: .normal) ans2.setTitle(wrongAns[0], for: .normal) ans1.setTitle(wrongAns[1], for: .normal) ans4.setTitle(wrongAns[2], for: .normal) case 3: CorAns = 3 ans4.setTitle(correctAns, for: .normal) ans2.setTitle(wrongAns[0], for: .normal) ans3.setTitle(wrongAns[1], for: .normal) ans1.setTitle(wrongAns[2], for: .normal) default: print("Error") } judgement.text = "Select Any One" judgement.textColor = UIColor.black } private func loadJsonFile() { do { if let file = Bundle.main.url(forResource: "quiz", withExtension: "json") { let data = try Data(contentsOf: file) let json = try JSONSerialization.jsonObject(with: data, options: []) if let object = json as? [String: Any] { // json is a dictionary print("As Dictionary \(object)") } else if let object = json as? [Any] { // json is an array print("As Array \(object)") quizData = object } else { print("JSON is invalid") } } else { print("no file") } } catch { print(error.localizedDescription) } } func correctAns() { UIView.animate(withDuration: 1, animations: { self.judgement.alpha = 0 }) { (complete) in self.judgement.text = "Correct Answer" self.judgement.textColor = UIColor.green UIView.animate(withDuration: 1, animations: { self.judgement.alpha = 1 }, completion: { (complete) in DispatchQueue.main.asyncAfter(deadline: .now() + 2, execute: { self.updateQA() }) }) } } func wrongAns() { UIView.animate(withDuration: 1, animations: { self.judgement.alpha = 0 }) { (complete) in self.judgement.text = "Wrong Answer" self.judgement.textColor = UIColor.red UIView.animate(withDuration: 1, animations: { self.judgement.alpha = 1 }, completion: { (complete) in DispatchQueue.main.asyncAfter(deadline: .now() + 2, execute: { self.updateQA() }) }) } } @IBAction func ans1Pressed(_ sender: Any) { if (CorAns == 0) { correctAns() } else { wrongAns() } } @IBAction func ans2Pressed(_ sender: Any) { if (CorAns == 1) { correctAns() } else { wrongAns() } } @IBAction func ans3Pressed(_ sender: Any) { if (CorAns == 2) { correctAns() } else { wrongAns() } } @IBAction func ans4Pressed(_ sender: Any) { if (CorAns == 3) { correctAns() } else { wrongAns() } }}

Hi Everyone, I need help with this error message, I work in Xcode 12.1, I have a problem with the launch screen (blank screen), I rebuild the new project with my old folders (copy/paste).