If you have a contact that's already a member of a group that sync to a Mailchimp lsit, every time you edit the contact, the extension tries to sync them up again. This leads to an error message that the email address is already subscribed to the list. This PR suppresses ONLY that error.
…ting a contact
If you have a contact that's already a member of a group that sync to a Mailchimp lsit, every time you edit the contact, the extension tries to sync them up again. This leads to an error message that the email address is already subscribed to the list. This PR suppresses ONLY that error.
Note that this is different from issue #14.