Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Part\AbstractMultipartPart" not found in C:\xampp\htdocs\OFFLINE\VulturAr\laravel6-php74\laravel\vendor\symfony\mime\Part\Multipart\AlternativePart.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\OFFLINE\VulturAr\laravel6-php74\laravel\vendor\symfony\mime\Part\Multipart\AlternativePart.php on line 21