Hi there Chrissy,
This means that the customer/user #3 that placed order 89959 is a WordPress user/customer account that has a role that is not compatible by default. Without knowing the exact details of your store. This could mean that customer/user #3 is either a Admin or a role other than a customer or subscriber. For example some stores choose to use “student” as a user role to purchase courses on their site. That role wouldn’t be compatible. Here’s an example screenshot of where the roles can be found in WordPress user profile dropdown.
If one happens to be testing the orders by being logged in as an Admin that order will not sync because the role is not included by deafult. We suggest to test in a separate browser profile and _not_ logged in as a admin.
The user roles that are synced in Mailchimp for WooCommerce are the “Customer” and “Subscriber” roles. These roles are synced by default, and if a user does not have either of these roles in WordPress, their order and campaign data will not be synced to Mailchimp. Other user roles, such as “Contributor,” “Author,” “Editor,” “Administrator,” and “Super Admin” (only available in WordPress Multisite installations), are not synced by default. If one wishes wants to track additional roles, it’s possible by modifying the code snippet provided in the following filter for verified sources to add those roles to the sync.
https://github.com/mailchimp/mc-woocommerce/wiki/Custom-User-Role-Sync
