Thread 1: Breakpoint 1.1

I can't find the problem.. - The simulator is stopping after opening the app...

Database`property wrapper backing initializer of ContentViewViewModel.currentUserId:
    0x104c12bd0 <+0>:   sub    sp, sp, #0x50
    0x104c12bd4 <+4>:   stp    x29, x30, [sp, #0x40]
    0x104c12bd8 <+8>:   add    x29, sp, #0x40
    0x104c12bdc <+12>:  str    x8, [sp, #0x10]
    0x104c12be0 <+16>:  mov    x8, x0
    0x104c12be4 <+20>:  str    x8, [sp, #0x8]
    0x104c12be8 <+24>:  mov    x0, x1
    0x104c12bec <+28>:  str    x0, [sp, #0x18]
    0x104c12bf0 <+32>:  stur   xzr, [x29, #-0x10]
    0x104c12bf4 <+36>:  stur   xzr, [x29, #-0x8]
->  0x104c12bf8 <+40>:  stur   x8, [x29, #-0x10]
    0x104c12bfc <+44>:  mov    x1, x0
    0x104c12c00 <+48>:  stur   x1, [x29, #-0x8]
    0x104c12c04 <+52>:  bl     0x1053b9a88               ; symbol stub for: swift_bridgeObjectRetain
    0x104c12c08 <+56>:  ldr    x9, [sp, #0x8]
    0x104c12c0c <+60>:  ldr    x8, [sp, #0x10]
    0x104c12c10 <+64>:  ldr    x1, [sp, #0x18]
    0x104c12c14 <+68>:  add    x0, sp, #0x20
    0x104c12c18 <+72>:  str    x9, [sp, #0x20]
    0x104c12c1c <+76>:  str    x1, [sp, #0x28]
    0x104c12c20 <+80>:  adrp   x1, 2556
    0x104c12c24 <+84>:  ldr    x1, [x1, #0xa00]
    0x104c12c28 <+88>:  bl     0x104c12c40               ; Combine.Published.init(wrappedValue: Value) -> Combine.Published<Value> at <compiler-generated>
    0x104c12c2c <+92>:  ldr    x0, [sp, #0x18]
    0x104c12c30 <+96>:  bl     0x1053b91a0               ; symbol stub for: swift_bridgeObjectRelease
    0x104c12c34 <+100>: ldp    x29, x30, [sp, #0x40]
    0x104c12c38 <+104>: add    sp, sp, #0x50
    0x104c12c3c <+108>: ret    

//
//  ContentViewViewModel.swift
//  Database
//
//  Created by Maxi on 25.03.24.
//

import Firebase
import FirebaseAuth
import Foundation

class ContentViewViewModel: ObservableObject {
    @Published var currentUserId: String = ""
    private var handler: AuthStateDidChangeListenerHandle?
    
    init () {
        self.handler = Auth.auth().addStateDidChangeListener{ [weak self] _, user in
            DispatchQueue.main.async {
                self?.currentUserId = user?.uid ?? ""
            }
        }
    }
    public var isSignedIn: Bool {
        return Auth.auth().currentUser != nil
    }
}

//
//  ContentView.swift
//  Database
//
//  Created by Maxi on 25.03.24.
//

import Firebase
import FirebaseAuth
import SwiftUI

struct ContentView: View {
    @StateObject var viewModel = ContentViewViewModel()
    
    var body: some View {
        VStack {
            NavigationView {
                if viewModel.isSignedIn, !viewModel.currentUserId.isEmpty {
                    //signed in
                    HomeView()
                } else {
                    LoginView()
                }
            }
            .padding()
        }
    }
    
}
    
struct ContentView_Previews: PreviewProvider{
        static var previews: some View {
            ContentView()
        }
    }
    

//
//  HomeView.swift
//  Database
//
//  Created by Maxi on 25.03.24.
//

import SwiftUI

struct HomeView: View {
    var body: some View {
        Text("Welcome to your Account!")
    }
}

#Preview {
    HomeView()
}

//
//  LoginViewViewModel.swift
//  Database
//
//  Created by Maxi on 25.03.24.
//

import FirebaseAuth
import Foundation

class LoginViewViewModel: ObservableObject {
    @Published var email = ""
    @Published var password = ""
    @Published var errorMessage = ""
    
    init() {}
    
    func login()  {
        guard validate() else {
            return
            
        }
        
        //Try log in
        Auth.auth().signIn(withEmail: email, password: password)
    }
    private func validate() -> Bool {
        errorMessage = ""
        guard !email.trimmingCharacters(in: .whitespaces).isEmpty,
              !password.trimmingCharacters(in: .whitespaces).isEmpty else {
            errorMessage = "Bitte füllen Sie alle Felder aus."
            return false
        }
        
        guard email.contains("@") && email.contains(".") else {
            errorMessage = "Bitte geben Sie eine gültige Email-Adresse ein."
            return false
        }
        
        return true
    }
    
}

//
//  LoginView.swift
//  Database
//
//  Created by Maxi on 25.03.24.
//

import SwiftUI
struct LoginView: View {
    @StateObject var viewModel = LoginViewViewModel()
    
    var body: some View {
        NavigationView {
            VStack {
                
                //Header
                HeaderView()
                
                if !viewModel.errorMessage.isEmpty{
                    Text(viewModel.errorMessage)
                        .foregroundColor(Color.red)
                    
                }
                
                
                Form{
                    TextField("E-Mail Adresse", text: $viewModel.email)
                        .textFieldStyle(DefaultTextFieldStyle())
                        .autocapitalization(/*@START_MENU_TOKEN@*/.none/*@END_MENU_TOKEN@*/)
                    SecureField("Passwort", text: $viewModel.password)
                        .textFieldStyle(DefaultTextFieldStyle())
                    
                    CreateAccountButton(
                        title: "Anmelden",
                        background: .blue) {
                            viewModel.login()
                        }
                    
                }
                
                //Create ACC
                VStack {
                    Text ("Neu hier?")
                    //Show registartion
                    
                    NavigationLink ("Erstelle einen Account",
                                    destination: RegisterView())
                }
                
            }
            
        }
                
                
        }
    }
    
    struct LoginView_Previews: PreviewProvider{
        static var previews: some View {
            LoginView()
        }
    }