When the Google Workspace or G Suite administrator who has installed Shared Contacts for Gmail® is deleted or downgraded to a non-super admin role:
In case of deletion of an admin, make sure you first transfer ownership of all the shared contacts label they own.
Time needed: 2 minutes.
Follow the steps below to reactivate Shared Contacts for Gmail® for administrators:
Marketplace > Domain Install button > Select all organizations
New super admin should go to the admin console, and make sure that the admin is granted for all organizations > Click on the “Sync” button to refresh the data.
Well done for reactivating your account! You can now resume sharing your labels with ease.
If it still doesn’t work after this, contact support.