Help for Aimeos

Hello all, I have install aimeos bundle on symfony 3.4, I have follow all the step in the manual but when I try to access to : http://127.0.0.1:8000/app_dev.php/admin or http://127.0.0.1:8000/app_dev.php/list I have this error : Unable to find template "AimeosShopBundle:Catalog:list.html.twig&q...