Fatal error: Uncaught Error: Interface 'Magento\InventoryCatalogApi\Model\IsSingleSourceModeInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-inventory-catalog/Model/IsSingleSourceMode.php:18 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-inventory-catalog/Model/IsSingleSourceMode.php on line 18