Warning: Undefined property: Auth_Yadis_Discovery::$session in /srv/www/stage.learnthat.org/data/www/app/vendor/google_auth/Auth/Yadis/Manager.php on line 474

Fatal error: Uncaught Error: Call to a member function get() on null in /srv/www/stage.learnthat.org/data/www/app/vendor/google_auth/Auth/Yadis/Manager.php:474 Stack trace: #0 /srv/www/stage.learnthat.org/data/www/app/vendor/google_auth/Auth/OpenID/Consumer.php(325): Auth_Yadis_Discovery->getManager() #1 /srv/www/stage.learnthat.org/data/www/app/controllers/components/open_i_d.php(29): Auth_OpenID_Consumer->begin() #2 /srv/www/stage.learnthat.org/data/www/app/controllers/integration_controller.php(94): OpenIDComponent->getLoginUrl() #3 /srv/www/stage.learnthat.org/data/www/cake/dispatcher.php(204): IntegrationController->authenticate() #4 /srv/www/stage.learnthat.org/data/www/cake/dispatcher.php(171): Dispatcher->_invoke() #5 /srv/www/stage.learnthat.org/data/www/app/webroot/index.php(90): Dispatcher->dispatch() #6 {main} thrown in /srv/www/stage.learnthat.org/data/www/app/vendor/google_auth/Auth/Yadis/Manager.php on line 474