Facebook application is configured, but login still does not work.
The following error is reported in the watchdog: Exception: Authentication failed! Facebook returned an invalid user id. in Hybrid_Auth::initialize() (line 147 of /mnt/www/html/dcmontrealdev/docroot/sites/all/libraries/hybridauth/hybridauth/Hybrid/Auth.php).
Facebook application is configured, but login still does not work.
The following error is reported in the watchdog: Exception: Authentication failed! Facebook returned an invalid user id. in Hybrid_Auth::initialize() (line 147 of /mnt/www/html/dcmontrealdev/docroot/sites/all/libraries/hybridauth/hybridauth/Hybrid/Auth.php).
This may be related to https://www.drupal.org/node/1860618