Error when I want to send a group contact email

uploading items to folder therapist/contacts/failed due to the following error. uploading items to folder therapist/contacts/failed due to the following error.  Execution of request failed https://[www.google.com/m8/feeds/contacts/therapist@karenlsmithmft.com/full/4d041d100913ec3b(line9,column31 element gd:email/@ address required](http://www.google.com/m8/feeds/contacts/therapist@karenlsmithmft.com/full/4d041d100913ec3b(line9,column31 element gd:email/@ address required “Link: http://www.google.com/m8/feed”)