Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Mail\Mailer' not found in /var/www/html/cadjob_bakupfile/vendor/laravel/framework/src/Illuminate/Mail/Mailer.php:18 Stack trace: #0 {main} thrown in /var/www/html/cadjob_bakupfile/vendor/laravel/framework/src/Illuminate/Mail/Mailer.php on line 18