Fatal error: Uncaught Error: Class 'Symfony\Component\Mime\RawMessage' not found in D:\xampp7\htdocs\www\nbkm\show_ir\vendor\symfony\mime\Message.php:22 Stack trace: #0 {main} thrown in D:\xampp7\htdocs\www\nbkm\show_ir\vendor\symfony\mime\Message.php on line 22