Failed to compile after refactoring

import React from 'react';
import PropTypes from 'prop-types';

import ConfirmedFilter from './ConfirmedFilter';
import GuestList from './GuestList';
import Counter from './Counter';

const MainContent = props =>
  <div className="main">
    <ConfirmedFilter />
    <Counter
      totalInvited={totalInvited}
      numberAttending={numberAttending}
      numberUnconfirmed={numberUnconfirmed}
    />
    <GuestList
      guests={this.state.guests}
      toggleConfirmationAt={this.toggleConfirmationAt}
      toggleEditingAt={this.toggleEditingAt}
      setNameAt={this.setNameAt}
      isFiltered={this.state.isFiltered}
      removeGuestAt={this.removeGuestAt}
      pendingGuest={this.state.pendingGuest}
    />
  </div>;

MainContent.propTypes = {
  toggleFilter: PropTypes.func.isRequired,
  isFiltered: PropTypes.bool.isRequired,
  totalInvited: PropTypes.number.isRequired,
  numberAttending: PropTypes.number.isRequired,
  numberUnconfirmed: PropTypes.number.isRequired,
  guests: PropTypes.array.isRequired,
  toggleConfirmationAt: PropTypes.func.isRequired,
  toggleEditingAt: PropTypes.func.isRequired,
  setNameAt: PropTypes.func.isRequired,
  removeGuestAt: PropTypes.func.isRequired,
  pendingGuest: PropTypes.string.isRequired
}

export default MainContent;