Fatal error: Uncaught Error: Class "Illuminate\Mail\Attachment" not found in /opt/lampp/htdocs/myhospitalnow/mhn-admin-ms/vendor/laravel/framework/src/Illuminate/Mail/Mailables/Attachment.php:7 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/mhn-admin-ms/vendor/laravel/framework/src/Illuminate/Mail/Mailables/Attachment.php on line 7