Module for exposing issue with Doctrine annotation in FO Requirements Composer, see Composer to learn more Yarn, see Yarn to learn more How to install Download or clone module into modules directory of your PrestaShop installation cd into module's directory and run following command: composer dumpautoload to generate autoloader for module Install module from Back Office How to reproduct the issue Go to the module front controller #SHOP_URL#/module/doctrineannotation/test To fix the issue Go to the Da_Test entity Uncomment line 9-10