Fatal error: Uncaught Error: Class "Magento\Framework\App\Action\Action" not found in /home/airtimer/public_html/app/code/Magiccart/Shopbrand/Controller/Index.php:16 Stack trace: #0 {main} thrown in /home/airtimer/public_html/app/code/Magiccart/Shopbrand/Controller/Index.php on line 16