Add a new page in Prestashop 1.5.6 The « SEO » is not actived. Usage: http://shoptest.arduinux.fr/index.php?controller=gallery Error : Fatal error: Class 'GalleryController' not found in /home/shoptest/public_html/classes/controller/Controller.php on line 128 Solution: Remove /cache/class_index.php Links: Source code : https://github.com/Nekrofage/addANewPageInPS Reference : http://www.prestashop.com/forums/topic/289254-troubleshooting-creating-a-custom-page-in-ps-156/