- Module will work without producing any change in the prevailing PrestaShop file so that current customization and theme change will not impact. Move three: Visit the module management page from the back-office “A lot more” location (part) from the remaining menu from the back office. But there’s good news: https://freshbookmarking.com/story18566404/prestashop-1-7-debug-mode-things-to-know-before-you-buy