Error resubscribe to mailchimp

[mohammedTBB]

Issue Description

The clients that unsubscribe from the newsletter cannot resubscribe using the widget of Magento.

Preconditions

-Magento 2.4.5-p1
-Mailchimp 103.4.50

Steps to reproduce

1- subscribe to Mailchimp using Magento widget
2- unsubscribe using the link sent to the email
3- resubscribe in Magento widget

Actual result

Error "This email address is already subscribed." on the top of the page

Expected result

Resubscribe succesfully

Additional information

What actually happens is that when someone unsubscribes, will unsubscribe from Mailchimp but not from Magento.
so when you resubscribe this error appears.

[gonzaloebiz]

Hi @mohammedTBB

when the subscriber click in the email link and unsubscribe from your audience, this produces a webhook from Mailchimp to magento.
The webhooks are processed each 5 min (not immediately), so if you try to re-subscribe via magento so fast the most probably is that the integration will return that the email is already subscribed.
They must wait 5 min before re-subscribe, depends on the amount of webhooks you have spending

Best

[mohammedTBB]

Hi @gonzaloebiz

I have unsubscribed using the email link, and I have noticed that I have unsubscribed immediately from Mailchimp,
then I waited 15 mins, monitoring the "ebizmarts_webhooks" in Magento and it shows success, but the email is still subscribed in Magento.

Regards.