Fatal error: Uncaught Error: Class "Illuminate\Mail\Attachment" not found in D:\xampp\htdocs\dropifypro\vendor\laravel\framework\src\Illuminate\Mail\Mailables\Attachment.php:7 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\laravel\framework\src\Illuminate\Mail\Mailables\Attachment.php on line 7