CraueFormFlowBundle Call to a member function bind() on array symfony 6

Question

i try use CraueFormFlowBundle, but i have the error on:

Call to a member function bind() on array

    $flow->bind($employe);

how i can solved?

    public function add(Request $request, CvRepository $cvRepository) {
        $employe = new Cv();
        $flow = $this->getSubscribedServices('createVehicle');    
        $flow->bind($employe);
        $form = $flow->createForm();
        if ($flow->isValid($form)) {
            $flow->saveCurrentStepData($form);
            if ($request->isXmlHttpRequest()) {
                $form = $flow->createForm();
            } else {
                if ($flow->nextStep()) {
                    $form = $flow->createForm();
                } else {
                    $this->manager->persist($employe);
                    $this->manager->flush();
                    $this->manager->persist($uniqueToken->getToken($employe));
                    $this->manager->flush();
                    $flow->reset();
                    return $this->redirect($this->generateUrl('user_edit_personnal_info', array('id' => $employe->getId())));
                }
            }
        }