[DÚVIDA] Uncaught TypeError: employee2 is not iterable

Olá tudo bem? Estou tendo esse erro após o submit, não estou achando o erro no meu código. Alguém poderia me ajudar? Muito obrigada

Componente Formulário

import { useState } from "react"
import { Button } from "../Button"
import { Select } from "../Select"
import { TextInput } from "../TextInput"
import { PropTypes } from 'prop-types';
import './Form.css'

export const Form = (props) => {
    const squed = [
        'Programação',
        'Front-end',
        'Back-end',
        'DevOps',
        'Data Science',
        'UX e Design',
        'Mobile',
        'Inovação e Gestão',
    ]

    const onSave = (event) => {
        event.preventDefault()
        props.onRegisteredEmployee({
            name,
            proffession,
            image,
            team,
        })
    }

    const [name, setName ] = useState('');
    const [proffession, setProffession] = useState('');
    const [image, setImage] = useState('');
    const [team, setTeam] = useState('');

    return (

        <section className="form">

            <form onSubmit={onSave} action="">
                <h2>Prencha os dados para criar o card do colaborador</h2>
                <TextInput required={true} label="Nome:" placeholder="Insira o nome "
                value={name}
                onChange={ value => setName(value)} />
                <TextInput required={true}  label="Cargo:" placeholder="Insira o cargo" 
                value={proffession}
                onChange={ value => setProffession(value)}
                />
                <TextInput label="Imagem:" placeholder="Insira a URL da imagem"
                value={image}
                onChange={ value => setImage(value)}
                 />
                <Select required={true}  label="Time:" itens={squed}
                value={team}
                onChange={ value => setTeam(value)}
                 />
                <Button >
                    Criar Card
                </Button>
            </form>
        </section>
    )
}

Form.propsTypes = {
    onRegisteredEmployee : PropTypes.func //
}

Component App

import { useState } from 'react'
import { Banner } from './components/Banner'
import { Form } from './components/Form'


function App() {

  const [ employee, setEmployee] = useState([])

  const onAddEmployee = (employee) => {
    console.log(employee)
    setEmployee( [...employee, employee])
  }
  return (
    <>
      <Banner />
      <Form onRegisteredEmployee={ employee => onAddEmployee(employee)} />
    </>

  )
}

export default App

Erro que aparece: