On 11/12/2019 at 12:52 PM, joseantgv said:It seems you have installed a module for PS 1.7 in a PS 1.6. You need to rename/remove the folder. Just access with FTP to your server and search for this module, and rename the folder. It should be /modules/mailchimp or similar.
I don't have that folder. Can you help me please?