Fatal error: Uncaught Error: Call to a member function getIsDiscontinued() on null in /var/www/magento/app/code/Conti/DiscontinuedProducts/Model/DiscontinuedProvider.php:60 Stack trace: #0 /var/www/magento/app/code/Conti/DiscontinuedProducts/Model/DiscontinuedProvider.php(44): Conti\DiscontinuedProducts\Model\DiscontinuedProvider->initReplacementProduct() #1 /var/www/magento/app/code/Conti/DiscontinuedProducts/Model/DiscontinuedProvider.php(39): Conti\DiscontinuedProducts\Model\DiscontinuedProvider->getReplacementProduct() #2 /var/www/magento/app/code/Conti/DiscontinuedProducts/Observer/AddBodyClass.php(29): Conti\DiscontinuedProducts\Model\DiscontinuedProvider->isDiscontinuedProduct() #3 /var/www/magento/vendor/magento/framework/Event/Invoker/InvokerDefault.php(72): Conti\DiscontinuedProducts\Observer\AddBodyClass->execute(Object(Magento\Framework\Event\Observer)) #4 /var/www/magento/vendor/magento/framework/Event/Invoker/InvokerDefault.php(60): Magento\Framework\Event\Invoker\InvokerDefault->_callObserverMethod(Object(C in /var/www/magento/app/code/Conti/DiscontinuedProducts/Model/DiscontinuedProvider.php on line 60