[Google Contacts]Creating or updating folder ‘[email protected]/Contacts/Family’ failed due to the following error: Execution of request failed: https://www.google.com/m8/feeds/groups/bobhayes47%40gmail.com/full/e (Cannot update a system group)
This can happen if you tried to alter the Family system folder in your Contacts section of eM Client.
The only solution I know of is to remove the Gmail account from eM Client, then add it again.