Fatal error: Uncaught Error: Call to a member function escapeHtml() on null in /home/fastmicr/public_html/bg.livolo.bg/vendor/magento/module-offline-payments/view/frontend/templates/form/purchaseorder.phtml:10 Stack trace: #0 {main} thrown in /home/fastmicr/public_html/bg.livolo.bg/vendor/magento/module-offline-payments/view/frontend/templates/form/purchaseorder.phtml on line 10