Fatal error: Uncaught Error: Class 'PrestaShop\PrestaShop\Core\Form\FormHandler' not found in /home/aucoeurdgw/dev/src/PrestaShopBundle/Form/Admin/Configure/ShopParameters/ProductPreferences/ProductPreferencesFormHandler.php:36 Stack trace: #0 {main} thrown in /home/aucoeurdgw/dev/src/PrestaShopBundle/Form/Admin/Configure/ShopParameters/ProductPreferences/ProductPreferencesFormHandler.php on line 36