Warning: Undefined variable $block in /home/airtimer/public_html/vendor/magento/module-sales/view/frontend/templates/order/order_comments.phtml on line 9

Fatal error: Uncaught Error: Call to a member function getOrder() on null in /home/airtimer/public_html/vendor/magento/module-sales/view/frontend/templates/order/order_comments.phtml:9 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/magento/module-sales/view/frontend/templates/order/order_comments.phtml on line 9