Fatal error: Uncaught Error: Call to a member function get() on null in /www/htdocs/w00e593c/shopware/engine/Shopware/Plugins/Community/Frontend/BestitAmazonPay/Classes/Config.php:722 Stack trace: #0 /www/htdocs/w00e593c/shopware/engine/Shopware/Plugins/Community/Frontend/BestitAmazonPay/Classes/Config.php(756): Shopware_Plugins_Frontend_BestitAmazonPay_Classes_Config->getSession('purchaseId') #1 /www/htdocs/w00e593c/shopware/engine/Shopware/Plugins/Community/Frontend/BestitAmazonPay/Classes/Config.php(679): Shopware_Plugins_Frontend_BestitAmazonPay_Classes_Config->getOrderReferenceId() #2 /www/htdocs/w00e593c/shopware/engine/Shopware/Plugins/Community/Frontend/BestitAmazonPay/src/BestitAmazonPay/Subscriber/General.php(328): Shopware_Plugins_Frontend_BestitAmazonPay_Classes_Config->getAmazonButtonData() #3 /www/htdocs/w00e593c/shopware/engine/Shopware/Plugins/Community/Frontend/BestitAmazonPay/src/BestitAmazonPay/Subscriber/General.php(196): BestitAmazonPay\Subscriber\General->getLegacyButtonData(Object(Enlight_Controller in /www/htdocs/w00e593c/shopware/engine/Shopware/Plugins/Community/Frontend/BestitAmazonPay/Classes/Config.php on line 722