Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Foundation\MaintenanceMode" not found in /var/www/html/app/vendor/laravel/framework/src/Illuminate/Foundation/CacheBasedMaintenanceMode.php:9
Stack trace:
#0 {main}
thrown in /var/www/html/app/vendor/laravel/framework/src/Illuminate/Foundation/CacheBasedMaintenanceMode.php on line 9