Fatal error: Uncaught Error: Class 'Abecorn\SearchFilter\Observer\Mage_CatalogInventory_Model_Stock_Status' not found in /var/www/magento/app/code/Abecorn/SearchFilter/Observer/RemoveOutOfStockProducts.php:27 Stack trace: #0 /var/www/magento/vendor/magento/framework/Event/Invoker/InvokerDefault.php(72): Abecorn\SearchFilter\Observer\RemoveOutOfStockProducts->execute(Object(Magento\Framework\Event\Observer)) #1 /var/www/magento/vendor/magento/framework/Event/Invoker/InvokerDefault.php(60): Magento\Framework\Event\Invoker\InvokerDefault->_callObserverMethod(Object(Abecorn\SearchFilter\Observer\RemoveOutOfStockProducts), Object(Magento\Framework\Event\Observer)) #2 /var/www/magento/vendor/magento/framework/Event/Manager.php(66): Magento\Framework\Event\Invoker\InvokerDefault->dispatch(Array, Object(Magento\Framework\Event\Observer)) #3 /var/www/magento/generated/code/Magento/Framework/Event/Manager/Proxy.php(95): Magento\Framework\Event\Manager->dispatch('catalog_block_p...', Array) #4 /var/www/magento/vendor/magento/module- in /var/www/magento/app/code/Abecorn/SearchFilter/Observer/RemoveOutOfStockProducts.php on line 27