Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Mail\Mailable' not found in /var/www/html/vendor/laravel/framework/src/Illuminate/Mail/Mailable.php:22
Stack trace:
#0 {main}
thrown in /var/www/html/vendor/laravel/framework/src/Illuminate/Mail/Mailable.php on line 22