Failed to produce diagnostic for expression

// Unsure why this error is occuring. Can someone please asist

struct CustomiseUserType: View { @State private var isInfoVisible = false @State private var showBusinessSetUpView = false @State private var showPersonalSetUpView = false @State private var selectedImage: UIImage? = nil @State private var isImagePickerPresented = false

@ObservedObject private var viewModel = SignUpViewModel()
@ObservedObject private var userAccount = UserAccount()

let sandColor = Color(red: 240/255, green: 195/255, blue: 160/255)

var body: some View {
    ScrollView {
        VStack {
            Button(action: {
                isImagePickerPresented.toggle()
            }) {
                if let selectedImage = selectedImage {
                    Image(uiImage: selectedImage)
                        .resizable()
                        .scaledToFill()
                        .frame(width: 140, height: 140)
                        .clipShape(Circle())
                        .padding()
                } else {
                    Image(systemName: "person.circle.fill")
                        .resizable()
                        .scaledToFill()
                        .frame(width: 140, height: 140)
                        .foregroundColor(Color(sandColor))
                        .clipShape(Circle())
                        .padding()
                }
            }
            .sheet(isPresented: $isImagePickerPresented, onDismiss: loadImage) {
                ImagePicker(userAccount: userAccount)
            }
            
            Text("HAVEN")
                .font(.largeTitle)
                .foregroundColor(Color.black.opacity(0.8))
                .multilineTextAlignment(.center)
                .dynamicTypeSize(.xxxLarge)
                .bold()
            Text("OK EVERYDAY")
                .font(.headline)
                .foregroundColor(Color.black.opacity(0.8))
                .multilineTextAlignment(.center)
                .dynamicTypeSize(.medium)
            
            VStack(alignment: .leading, spacing: 16) {
                Text("\n")
                
                Text("Long Term Goals")
                    .font(.headline)
                TextField("Enter your long term goals", text: $userAccount.longTermGoals?)
                    .textFieldStyle(DefaultTextFieldStyle())
                    .frame(maxWidth: .infinity)
                    .frame(height: .infinity)
                    .lineLimit(4)
                VStack{Divider()}
                Text("Profile Biography")
                    .font(.headline)
                TextField("Enter your profile bio", text: userAccount.biography)
                    .textFieldStyle(DefaultTextFieldStyle())
                    .frame(maxWidth: .infinity)
                    .lineLimit(2)
                VStack{Divider()}
                
                VStack {
                    Text("Haven Profile Type")
                        .font(.headline)
                        .multilineTextAlignment(.center)
                    
                    HStack {
                        Button(action: {
                            withAnimation {
                                self.showBusinessSetUpView.toggle()
                            }
                        }) {
                            Text("Business")
                                .foregroundColor(.white)
                                .padding()
                                .frame(width: 150)
                                .background(Color.teal)
                                .cornerRadius(10)
                        }
                        Spacer()
                            .sheet(isPresented: $showBusinessSetUpView) {
                                BusinessSetUpView(userAccount: $userAccount)
                            }
                        Button(action: {
                            withAnimation {
                                viewModel.reset()
                                self.showPersonalSetUpView.toggle()
                            }
                        }) {
                            Text("Personal")
                                .foregroundColor(.white)
                                .padding()
                                .frame(width: 150)
                                .background(Color(sandColor))
                                .cornerRadius(10)
                        }
                        .sheet(isPresented: $showPersonalSetUpView) {
                            //                                PersonalSetUpView(PersonalUser: personalUser)
                        }
                    }
                    .padding()
                }
                
                InfoButton {
                    isInfoVisible.toggle()
                }
                .overlay(
                    VStack {
                        if isInfoVisible {
                            Text("Business profile limits visibility of survey settings to the super user only")
                                .multilineTextAlignment(.center)
                                .background(Color.white.opacity(0.9))
                                .cornerRadius(10)
                            
                            Button(action: {
                                withAnimation {
                                    isInfoVisible = false
                                }
                            }) {
                                Text("Close")
                                    .foregroundColor(.white)
                                    .padding()
                                    .frame(width: 75)
                                    .background(Color.teal.opacity(0.7))
                                    .cornerRadius(10)
                            }
                        }
                    }
                )
            }
        }
    }
    .padding()
}

private func loadImage() {
    userAccount.profilePicture = selectedImage
}

}