Fatal error: Uncaught Error: Class 'Magento\Framework\App\Response\Http\FileFactory' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-backend/App/Response/Http/FileFactory.php:14 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-backend/App/Response/Http/FileFactory.php on line 14