OpenCart 3 custom module doesn't save data
问题 Im developing a payment module for OpenCart 3. Since there's no updater documentation my module is based on the others payment module (such as Alipay, paypal, cash on demand, etc....) I've created the module view on admin/view/template/extension/payment/mipago.twig as simply {{ header }}{{ column_left }} {% if error_warning %} {{ error_warning }} {% endif %} <div id="content"> <div class="page-header"> <div class="container-fluid"> <div class="pull-right"> <button type="submit" form="form