^{Originally posted by c3aus3scu November 29, 2022}
Hi. After I add an product and order, after in the order info under the Customer tab, I received this error: Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'wpc2o_update_order_notes' not found or invalid function name in /home/daemons/public_html/wp-includes/class-wp-hook.php on line 308