Fatal error: Uncaught Error: Call to a member function displayShipping() on null in /home/esecureh/public_html/magdemo/vendor/magento/module-tax/view/frontend/templates/checkout/shipping.phtml:13 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-tax/view/frontend/templates/checkout/shipping.phtml on line 13