Catchable fatal error: Argument 1 passed to Reservation\Services\AllowedVehicles::getForPeriod() must be an instance of DateTime, boolean given, called in /var/www/crm.jachthavenkortenhoef.nl/module/Reservation/src/Reservation/Controller/ReservationController.php on line 628 and defined in /var/www/crm.jachthavenkortenhoef.nl/module/Reservation/src/Reservation/Services/AllowedVehicles.php on line 63