Fatal error: Uncaught Error: Interface 'Magento\Ui\DataProvider\AddFieldToCollectionInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-catalog-inventory/Ui/DataProvider/Product/AddQuantityFieldToCollection.php:14 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-catalog-inventory/Ui/DataProvider/Product/AddQuantityFieldToCollection.php on line 14