prestashop - Template not loading in order details page

Question

I am testing my module with Prestashop 1.7.7.0 but it is not loading the tpl file that displays the extra grid on the page. I am using the below code to include the template file.

return $this->display(__FILE__, 'mygrid.tpl');

It is working fine with 1.7.6.5

Answer 1

等待大神答复