Fatal error: Uncaught Error: Class "Illuminate\Mail\Mailable" not found in C:\laragon\www\apidian-laravel-8-s3\app\Mail\SendGraphicRepresentation.php:17 Stack trace: #0 {main} thrown in C:\laragon\www\apidian-laravel-8-s3\app\Mail\SendGraphicRepresentation.php on line 17