Fatal error: Uncaught Error: Interface 'PrestaShop\PrestaShop\Core\Form\FormHandlerInterface' not found in /home/aucoeurdgw/dev/src/PrestaShopBundle/Form/Admin/Configure/ShopParameters/General/PreferencesFormHandler.php:37 Stack trace: #0 {main} thrown in /home/aucoeurdgw/dev/src/PrestaShopBundle/Form/Admin/Configure/ShopParameters/General/PreferencesFormHandler.php on line 37