Fatal error: Uncaught Error: Class 'Magento\Catalog\Model\ResourceModel\Product\Indexer\AbstractIndexer' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-catalog-inventory/Model/ResourceModel/Indexer/Stock/DefaultStock.php:39 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-catalog-inventory/Model/ResourceModel/Indexer/Stock/DefaultStock.php on line 39