Fatal error: Uncaught Error: Class 'Magento\Ui\DataProvider\ModifierPoolDataProvider' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-catalog/Model/Category/DataProvider.php:48 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-catalog/Model/Category/DataProvider.php on line 48