Fatal error: Uncaught Error: Call to undefined function listPromotionProductByCat() in /srv/users/rss/apps/rss/public/app/controller/category.php:12 Stack trace: #0 /srv/users/rss/apps/rss/public/index.php(5): require() #1 {main} thrown in /srv/users/rss/apps/rss/public/app/controller/category.php on line 12