Erreur 500 : Argument 1 passed to Lc\SovBundle\Repository\AbstractStore::getOneById() must be of the type int, string given

Controller/Order/CartController.php

         $data = $request->request->all();
 
         if (isset($data['order_products']['id_product_family'])) {
-            $idProductFamily = $data['order_products']['id_product_family'];
+            $idProductFamily = (int) $data['order_products']['id_product_family'];
             $this->productFamily = $this->getProductFamilyContainer()->getStore()->getOneById($idProductFamily);
 
             if(!$this->productFamily) {