Fatal error: Uncaught Error: Class "Illuminate\Mail\Mailable" not found in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/app/Mail/Test.php:10 Stack trace: #0 {main} thrown in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/app/Mail/Test.php on line 10