How to enable the debug mode?

To enable the debug mode, you can follow theses steps:

- Create the defines_custom.inc.php file inside the config folder that is at the root of your PrestaShop

- Add it this code:

/* PM Subscription: Debug Mode */
define('PM_SUBSCRIPTION_DEBUG_MODE', true);

Attention, don't forget to add the open tag (<?php) at the beginning of the file.