Fatal error: Uncaught TypeError: Argument 1 passed to Shopware\Components\Compatibility\LegacyStructConverter::convertListProductStruct() must be an instance of Shopware\Bundle\StoreFrontBundle\Struct\ListProduct, null given, called in /var/www/www.halfar.com/httpdocs/releases/20191009094718/custom/project/BestitHalfar/Subscriber/Controller/Frontend/DetailSubscriber.php on line 133 and defined in /var/www/www.halfar.com/httpdocs/releases/20191009094718/vendor/shopware/shopware/engine/Shopware/Components/Compatibility/LegacyStructConverter.php:303 Stack trace: #0 /var/www/www.halfar.com/httpdocs/releases/20191009094718/custom/project/BestitHalfar/Subscriber/Controller/Frontend/DetailSubscriber.php(133): Shopware\Components\Compatibility\LegacyStructConverter->convertListProductStruct(NULL) #1 /var/www/www.halfar.com/httpdocs/releases/20191009094718/vendor/shopware/shopware/engine/Library/Enlight/Event/Handler/Default.php(91): BestitHalfar\Subscriber\Controller\Frontend\DetailSubscriber->calculateBlockPrices(Object(Enlight_ in /var/www/www.halfar.com/httpdocs/releases/20191009094718/vendor/shopware/shopware/engine/Shopware/Components/Compatibility/LegacyStructConverter.php on line 303