Fatal error: Uncaught Error: Call to a member function getAttribute() on null in /var/www/www.betten-prinz.de/httpdocs/engine/Shopware/Plugins/Community/Frontend/BpaAdvancedMenuAttributes/Bootstrap.php:148 Stack trace: #0 /var/www/www.betten-prinz.de/httpdocs/engine/Shopware/Plugins/Community/Frontend/BpaAdvancedMenuAttributes/Bootstrap.php(155): Shopware_Plugins_Frontend_BpaAdvancedMenuAttributes_Bootstrap->appendAttributesToCategories(Array, Array) #1 /var/www/www.betten-prinz.de/httpdocs/engine/Shopware/Plugins/Community/Frontend/BpaAdvancedMenuAttributes/Bootstrap.php(127): Shopware_Plugins_Frontend_BpaAdvancedMenuAttributes_Bootstrap->appendAttributesToCategories(Array, Array) #2 /var/www/www.betten-prinz.de/httpdocs/engine/Library/Enlight/Event/Handler/Plugin.php(145): Shopware_Plugins_Frontend_BpaAdvancedMenuAttributes_Bootstrap->onPostDispatch(Object(Enlight_Controller_ActionEventArgs)) #3 /var/www/www.betten-prinz.de/httpdocs/engine/Library/Enlight/Event/EventManager.php(214): Enlight_Event_Handler_Plugin->execut in /var/www/www.betten-prinz.de/httpdocs/engine/Shopware/Plugins/Community/Frontend/BpaAdvancedMenuAttributes/Bootstrap.php on line 148