Fatal error: Uncaught Error: Class "MGS\Lookbook\Controller\Adminhtml\Lookbookslide" not found in /var/www/magento/html/app/code/MGS/Lookbook/Controller/Adminhtml/Lookbookslide/Save.php:11 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/MGS/Lookbook/Controller/Adminhtml/Lookbookslide/Save.php on line 11