On 15th June 2021, Google will be retiring the Contacts API, that we have previously used in our builds, and will be replacing it with the People API.
We will be making changes to support the new People API in our next CloudM Migrate release (v3.31) that is due for release at the end of this month.
We advise that all customers and partners update to the new release, once released. Customers using previous builds following the 15th June will encounter a lack of ability to migrate Google Contacts.
Please refer to Google's official announcement for more details on the changes.