Fatal error: Declaration of PrestaShopBundle\Event\Dispatcher\NullDispatcher::dispatch($event, ?string $eventName = null) must be compatible with Symfony\Contracts\EventDispatcher\EventDispatcherInterface::dispatch(object $event, ?string $eventName = null): object in /vol/site/current/src/PrestaShopBundle/Event/Dispatcher/NullDispatcher.php on line 51