Had this error in the past. Solved by modyfying Hybridauth's code myself.
In thirdparty/Facebook/base_facebook.php make sure $CURL_OPTS array uses:
CURLOPT_SSL_VERIFYPEER => false
In my case I was closing session files for performance improvements so I added:
session_start()
inside Storage.php wherever HA::STORE session var is being updated/unset.