Fatal error: Uncaught Error: Class 'FormValidator' not found in /home/kolenggf/public_html/chamilo/plugin/ext_auth_chamilo_logout_button_behaviour/plugin.php:24
Stack trace:
#0 {main}
thrown in /home/kolenggf/public_html/chamilo/plugin/ext_auth_chamilo_logout_button_behaviour/plugin.php on line 24