Fatal error: Uncaught Error: Call to a member function getAttribute() on null in /var/www/vhosts/tiptopcarbon.de/httpdocs/custom/plugins/DcUnitarticles/Subscriber/ArticleBasketCheckout.php:123 Stack trace: #0 /var/www/vhosts/tiptopcarbon.de/httpdocs/engine/Library/Enlight/Event/Handler/Default.php(91): DcUnitarticles\Subscriber\ArticleBasketCheckout->onGetArticleByIdAfter(Object(Enlight_Hook_HookArgs)) #1 /var/www/vhosts/tiptopcarbon.de/httpdocs/engine/Library/Enlight/Event/EventManager.php(296): Enlight_Event_Handler_Default->execute(Object(Enlight_Hook_HookArgs)) #2 /var/www/vhosts/tiptopcarbon.de/httpdocs/engine/Library/Enlight/Hook/HookManager.php(191): Enlight_Event_EventManager->filter('sArticles::sGet...', Array, Object(Enlight_Hook_HookArgs)) #3 /var/www/vhosts/tiptopcarbon.de/httpdocs/var/cache/production_201710241020/proxies/sArticlesProxy.php(35): Enlight_Hook_HookManager->executeHooks(Object(Shopware_Proxies_sArticlesProxy), 'sGetArticleById', Object(Enlight_Hook_HookArgs)) #4 /var/www/vhosts/tiptopcarbon.de/h in /var/www/vhosts/tiptopcarbon.de/httpdocs/custom/plugins/DcUnitarticles/Subscriber/ArticleBasketCheckout.php on line 123