I have a problem with the newsletter (No hay ningún formulario con el ID 173 ¿es posible que lo hayas borrado? – In english: There is no form with ID 173 Is it possible that you deleted it?
The form ID is 301 but I don’t know how to change it (I change the pop up newsletter and it works)
Thank you so much for contacting our support center.
It seems that you don’t have a mailchimp form for newsletter created. You can create it in the plugin settings in Dashboard -> Mailchimp -> Forms. Then place its shortcode on your home page while editing it with Visual Composer.