Swift : cannot convert return expression of any view to return type some view

I don't know what I have this error : cannot convert return expression of any view to return type some view

I try some things but nothing nothing worked... And I found nothing on the web

Thanks for your help...

    struct LoginView: View {

    @Binding var showCreateAccount: Bool

    @State private var email = ""
    @State private var password = ""
    @State private var formOffset: CGFloat = 0
    @State private var presentPasswordRecoverySheet = false


    var body: some View {

         VStack {

            VStack(spacing: 40) {

                Image("Logo")

                Text("Login").font(.title).bold()

                VStack {
                    RoundTextfield(value: self.$email, placeholder: "Email", icon: Image(systemName: "at"),
                                    onEditingChanged: { flag in withAnimation { self.formOffset = flag ? -150 : 0 } })

                    RoundTextfield(value: self.$password, placeholder: "Password", icon: Image(systemName: "lock"), isSecure: true,
                                    onEditingChanged: { flag in withAnimation { self.formOffset = flag ? -150 : 0 } })

                    BasicButton(text: "Login") {}
                }


                Button(action: { withAnimation(.spring() ) { self.showCreateAccount.toggle() } } )
                {
                  HStack { Text("Don't have an account? Sign up.").accentColor(Color.accentColor) }
                }


                Button(action: { self.presentPasswordRecoverySheet.toggle() } )
                {
                  HStack { Text("Forgot your password?").accentColor(Color.purple) }
                }
                .sheet(isPresented: self.$presentPasswordRecoverySheet)
                    { RecoverPasswordView(presentPasswordRecoverySheet: self.$presentPasswordRecoverySheet) }

            }
            .padding()
            .offset(y: self.formOffset)

        }
    }

This is my BasicButton code, but I think this is not the problem

    struct BasicButton: View {
    var text = "Next"
    var action: (()->()) = {}

    var body: some View {
      Button(action: {
        self.action()
      }) {
        HStack {
            Text(text)
                .bold()
                .frame(minWidth: 0, maxWidth: .infinity)
                .padding(.vertical)
                .accentColor(Color.white)
                .background(Color("accentColor"))
                .cornerRadius(30)
            }
        }
    }
}

struct BasicButton_Previews: PreviewProvider {
    static var previews: some View {
        BasicButton()
    }

When I remove the two button function for create account and forgot password, the code can build