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