Fatal error: Uncaught Error: Class 'PrestaShop\PrestaShop\Core\Form\AbstractFormHandler' not found in /home/aucoeurdgw/dev/src/PrestaShopBundle/Form/Admin/AdvancedParameters/Performance/PerformanceFormHandler.php:38 Stack trace: #0 {main} thrown in /home/aucoeurdgw/dev/src/PrestaShopBundle/Form/Admin/AdvancedParameters/Performance/PerformanceFormHandler.php on line 38