Fatal error: Uncaught Error: Call to a member function displayBoth() on null in /home/esecureh/public_html/magdemo/vendor/magento/module-sales/view/adminhtml/templates/order/create/totals/subtotal.phtml:13 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-sales/view/adminhtml/templates/order/create/totals/subtotal.phtml on line 13