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