Fatal error: Uncaught Error: Class "Magento\Checkout\Controller\Cart" not found in /home/www/staging1.gamanorteweb.com/app/code/Sm/CartQuickPro/Controller/Cart/UpdateItemOptions.php:20 Stack trace: #0 {main} thrown in /home/www/staging1.gamanorteweb.com/app/code/Sm/CartQuickPro/Controller/Cart/UpdateItemOptions.php on line 20