Fatal error: Uncaught Error: Class 'Magento\Framework\Autoload\AutoloaderRegistry' not found in /var/www/html/public_html/app/autoload.php:40 Stack trace: #0 /var/www/html/public_html/app/bootstrap.php(31): require_once() #1 /var/www/html/public_html/index.php(23): require('/var/www/html/p...') #2 {main} thrown in /var/www/html/public_html/app/autoload.php on line 40