Fatal error: Uncaught Error: Call to a member function escapeJs() on null in /home/fastmicr/public_html/bg.livolo.bg/vendor/vertexinc/module-tax/view/adminhtml/templates/config/flexible_fields.phtml:11 Stack trace: #0 {main} thrown in /home/fastmicr/public_html/bg.livolo.bg/vendor/vertexinc/module-tax/view/adminhtml/templates/config/flexible_fields.phtml on line 11