Warning: include(C:\xampp\htdocs\mmmotors\vendor\autoload.php): failed to open stream: Invalid argument in C:\xampp\htdocs\mmmotors\app\autoload.php on line 30

Warning: include(): Failed opening 'C:\xampp\htdocs\mmmotors/./vendor/autoload.php' for inclusion (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\mmmotors\app\autoload.php on line 30

Fatal error: Uncaught Error: Class 'Magento\Framework\Autoload\AutoloaderRegistry' not found in C:\xampp\htdocs\mmmotors\app\autoload.php:40 Stack trace: #0 C:\xampp\htdocs\mmmotors\app\bootstrap.php(41): require_once() #1 C:\xampp\htdocs\mmmotors\index.php(22): require('C:\\xampp\\htdocs...') #2 {main} thrown in C:\xampp\htdocs\mmmotors\app\autoload.php on line 40