Fatal error: Uncaught Error: Class "Illuminate\Mail\Mailable" not found in C:\laragon\htdocs\eloboost24\vendor\spatie\laravel-mailcoach-mailer\src\Mails\TestMail.php:9 Stack trace: #0 {main} thrown in C:\laragon\htdocs\eloboost24\vendor\spatie\laravel-mailcoach-mailer\src\Mails\TestMail.php on line 9