Fatal error: Uncaught Error: Call to a member function getId() on null in /var/www/comspot.de/shop/custom/plugins/TopiPaymentIntegration/Service/Article/PricingCalculator.php:78 Stack trace: #0 /var/www/comspot.de/shop/custom/plugins/TopiPaymentIntegration/Service/Article/PricingCalculator.php(49): TopiPaymentIntegration\Service\Article\PricingCalculator->determinePriceUsingCustomerGroupId() #1 /var/www/comspot.de/shop/custom/plugins/TopiPaymentIntegration/Service/Article/PricingCalculator.php(29): TopiPaymentIntegration\Service\Article\PricingCalculator->getPriceForCustomerGroup() #2 /var/www/comspot.de/shop/custom/plugins/TopiPaymentIntegration/Subscriber/ProductPageSubscriber.php(55): TopiPaymentIntegration\Service\Article\PricingCalculator->getPrice() #3 /var/www/comspot.de/shop/engine/Library/Enlight/Event/Handler/Default.php(87): TopiPaymentIntegration\Subscriber\ProductPageSubscriber->addFrontendVariables() #4 /var/www/comspot.de/shop/engine/Library/Enlight/Event/EventManager.php(214): Enlight_Event_Handler_Default in /var/www/comspot.de/shop/custom/plugins/TopiPaymentIntegration/Service/Article/PricingCalculator.php on line 78