Fatal error: Uncaught Error: Class "Magento\Catalog\Controller\Adminhtml\Product" not found in /var/www/magento/html/app/code/MGS/Lookbook/Controller/Adminhtml/Lookbookslide/Items.php:5 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/MGS/Lookbook/Controller/Adminhtml/Lookbookslide/Items.php on line 5