Thank you for your post. Currently, there isn’t enough information to diagnose to issue. Can you please contact our support team at email@example.com and please send the .kml files that you are trying to import. Our Support team will be able to provide some assistance over email.
Adobe released an update to Illustrator 2021 (v25.3) that includes native support for M1 Devices and Rotate Artboard functionality. Please note these features are not yet supported within MAPublisher at this time. See compatibility notes.