Override Prestashop -

/override/modules/blockreassurance/controllers/front/AdditionalProductTabController.php

/modules/mymodule/ /override/ /classes/ Cart.php /controllers/ /front/ ProductController.php mymodule.php Then in mymodule.php : override prestashop

// Temporarily add at top of your override file if (!defined('_PS_VERSION_')) exit; override prestashop

/controllers/front/ProductController.php override prestashop

/override/controllers/front/ProductController.php

/classes/Cart.php