Notice: Undefined index: testc in /usr/www/users/cpxhuo/webapp/includes/config.lib.php on line 148

Warning: session_start(): Cannot start session when headers already sent in /usr/www/users/cpxhuo/webapp/includes/functions.lib.php on line 1474

Warning: session_start(): Cannot start session when headers already sent in /usr/www/users/cpxhuo/webapp/includes/session.lib.php on line 4

Fatal error: Uncaught Facebook\Exceptions\FacebookSDKException: Sessions are not active. Please make sure session_start() is at the top of your script. in /usr/www/users/cpxhuo/webapp/classes/php-graph-sdk-5.0.0/src/Facebook/PersistentData/FacebookSessionPersistentDataHandler.php:50 Stack trace: #0 /usr/www/users/cpxhuo/webapp/classes/php-graph-sdk-5.0.0/src/Facebook/Helpers/FacebookRedirectLoginHelper.php(80): Facebook\PersistentData\FacebookSessionPersistentDataHandler->__construct() #1 /usr/www/users/cpxhuo/webapp/classes/php-graph-sdk-5.0.0/src/Facebook/Facebook.php(322): Facebook\Helpers\FacebookRedirectLoginHelper->__construct(Object(Facebook\Authentication\OAuth2Client), NULL, NULL, NULL) #2 /usr/www/users/cpxhuo/webapp/facebook_login2.php(23): Facebook\Facebook->getRedirectLoginHelper() #3 {main} thrown in /usr/www/users/cpxhuo/webapp/classes/php-graph-sdk-5.0.0/src/Facebook/PersistentData/FacebookSessionPersistentDataHandler.php on line 50