Hi!
If you encounter any issues with the module I invite you to write our support team detailing your request.
https://addons.prestashop.com/en/contact-us?id_product=1748
Please note that initially this post was concerning version 5.6.7. of the module which now is considered outdated.
Sometimes, all that is needed is a simple upgrade. Otherwise, please, contact us and we will be glad to help you.
Regards,
Daria 202-ecommerce