Hi there,
when trying to subsribe with a new email, that isn’t on the list yet the user gets an error message.
This is the log for that:
[2020-10-13 10:09:50] ERROR: Top Bar > Mailchimp API error: Bad Request. Invalid Resource. Your merge fields were invalid.
– MMERGE3 : Please enter a value
Request: POST https://us10.api.mailchimp.com/3.0/lists/458ecc01fe/members – {“status”:”pending”,”email_address”:”nils***************@gm***.com”,”interests”:{},”merge_fields”:{},”email_type”:”html”,”tags”:[]}
Response: 400 Bad Request – {“type”:”https://developer.mailchimp.com/documentation/mailchimp/guides/error-glossary/”,”title”:”Invalid Resource”,”status”:400,”detail”:”Your merge fields were invalid.”,”instance”:”775de938-e377-4a4f-afb5-c52f264e0106″,”errors”:[{“field”:”MMERGE3″,”message”:”Please enter a value”}]}