Fatal error: Uncaught Error: Call to a member function getId() on null in /var/www/web1/htdocs/shop/custom/plugins/CreateCtrlSeminars/Subscribers/SeminarsSubscriber.php:67 Stack trace: #0 /var/www/web1/htdocs/shop/var/cache/production_202306271137/proxies/ShopwareProductionb0e4b37d0abf74f30ff5abc6be55a1c14a7737c8ProjectContainer.php(6303): CreateCtrlSeminars\Subscribers\SeminarsSubscriber->__construct() #1 /var/www/web1/htdocs/shop/vendor/symfony/dependency-injection/Container.php(257): ShopwareProductionb0e4b37d0abf74f30ff5abc6be55a1c14a7737c8ProjectContainer->getCreateCtrlSeminars_Subscribers_SeminarsSubscriberService() #2 /var/www/web1/htdocs/shop/vendor/symfony/dependency-injection/Container.php(231): Symfony\Component\DependencyInjection\Container->make() #3 /var/www/web1/htdocs/shop/engine/Shopware/Components/DependencyInjection/Container.php(209): Symfony\Component\DependencyInjection\Container->get() #4 /var/www/web1/htdocs/shop/engine/Shopware/Components/DependencyInjection/Container.php(133): Shopware\Components in /var/www/web1/htdocs/shop/custom/plugins/CreateCtrlSeminars/Subscribers/SeminarsSubscriber.php on line 67