Fatal error: Uncaught Error: Class "Magento\Framework\App\Action\Action" not found in /home/www/staging1.gamanorteweb.com/app/code/Sm/ListingTabs/Controller/Index/Index.php:16 Stack trace: #0 {main} thrown in /home/www/staging1.gamanorteweb.com/app/code/Sm/ListingTabs/Controller/Index/Index.php on line 16