Fatal error: Uncaught Error: Call to a member function escapeHtml() on null in /home/esecureh/public_html/magdemo/vendor/magento/module-sales/view/adminhtml/templates/items/renderer/default.phtml:9 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-sales/view/adminhtml/templates/items/renderer/default.phtml on line 9