Fatal error: Uncaught Error: Interface 'Magento\Framework\Api\SearchResultsInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-catalog-inventory/Api/Data/StockStatusCollectionInterface.php:19 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-catalog-inventory/Api/Data/StockStatusCollectionInterface.php on line 19