MC4SF_LICENCE_UPDATE_ERROR

What this means: Something went wrong while refreshing Mailchimp for Salesforce licence details in Salesforce. This can temporarily affect licence banners, trial status, or billing screens.

What to do: Open Mailchimp Settings and refresh Billing/Licence. Confirm Mailchimp Admin permission set. Read the Maintenance message. If still wrong, contact Beaufort 12 support.