Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Database\Query\Expression" not found in /var/www/html/booking/vendor/laravel/framework/src/Illuminate/Database/Query/Expression.php:8 Stack trace: #0 {main} thrown in /var/www/html/booking/vendor/laravel/framework/src/Illuminate/Database/Query/Expression.php on line 8