Mailchimp address fields are special nested fields designed to capture full address details. These fields are not standalone fields. Instead, they are structured in a nested format like `ADDRESS.addr1`, `ADDRESS.city`, `ADDRESS.state`, `ADDRESS.zip`, and `ADDRESS.country.`
Note: All merge fields of type "Address" follow this same nested pattern, even if you create custom merge fields.
Restrictions:
To populate or edit any Mailchimp merge field of type Address, you must provide values for `addr1`, `city`, `state`, and `zip`.
If the country field is not specified, it defaults to USA or your country.
When syncing, if you do not provide data for all the required nested fields, the entry might be considered incomplete, which could lead to errors. To correct, ensure that all required nested fields are populated and properly formatted, or consider the workaround below.
Workaround:
You can create your own custom merge fields that are the Text data type (instead of Address type), such as `MMERGE5` Street, `MMERGE6` City, etc.
Important Note:
Your Mailchimp data may already include address fields with partial data before you connect the integration. Because Mailchimp now requires full addresses, we will be blocked from updating those records via a data wizard or mappings, because the data upon saving will be incomplete. The problem is that Mailchimp will fail it silently.
To fix: You have to populate or remove the Address fields in Mailchimp before we can update them. Clean the data in Mailchimp or push full Salesforce addresses as part of the wizard if available.
Related Articles:
Troubleshooting mappings (links to other field types info)
