Make sure you update/install the latest PrestaShop module. You can download it here: https://montonio.com/integrations/
Installation
Make sure that you use the supported version of PrestaShop on the Montonio integrations page
Download the latest version of the Montonio PrestaShop plugin from https://montonio.com/integrations/ .
From the Prestashop back office Modules view, click the "Upload a Module" button in the upper-right of the screen ( see image ).
Follow the instructions that pop up in the middle of the screen to install the plugin you downloaded in step 1, PrestaShop will confirm success onscreen when complete.
Activating Payment Methods in PrestaShop
After you have successfully installed the PrestaShop module you will have to integrate Montonio payments.
Read more: Activating Payment Methods in PrestaShop
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