Fatal error: Uncaught Error: Class 'Magento\Indexer\Console\Command\AbstractIndexerManageCommand' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-indexer/Console/Command/IndexerReindexCommand.php:27 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-indexer/Console/Command/IndexerReindexCommand.php on line 27