/**
     * @return MarcheDAO[] Returns an array of MarcheDAO objects
     */
     public function findMarcheEnCours($etat)
     {
         return $this->createQueryBuilder('d')
             ->select('d.nomMarche as marche')
             ->andWhere('d.etat = :etat')
             ->setParameter('etat', $etat)
             ->getQuery()
             ->getResult();
     }

public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('marche', EntityType::class, [
                'class' => MarcheDAO::class,
                'query_builder' => function(MarcheDAORepository $repo) {
                    return $repo->findMarcheEnCours(1);
                },
                'choice_label' => 'MarcheDAO.nomMarche'

            ])

Argument 1 passed to AppFormSoumissionType::AppForm{closure}() must be an instance of AppFormMarcheDAORepository, instance of AppRepositoryMarcheDAORepository given, called in C:wampwwwAppelsOffresvendorsymfonydoctrine-bridgeFormTypeEntityType.php on line 32

            'query_builder' => function(MarcheDAORepository $repo) {..