Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/yrdsb11w3creativ/public_html/109/vendor/symfony/ldap/Security/CheckLdapCredentialsListener.php:30 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/109/vendor/symfony/ldap/Security/CheckLdapCredentialsListener.php on line 30