Please add [email protected] as a ‘Manager‘ user.
To grant account access to a new user, follow these steps.
1. Click your profile icon and choose Account.
2. Click the Settings drop-down menu and choose Users.
3. Click Invite A User.
4. Input the email address [email protected] and choose an option under User type select ‘Manager’.
5. Click Send Invite.
You can see the official MailChimp guide for granting account access here.