Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Http\Logout\LogoutHandlerInterface" not found in /home/exklusivbeautysa/public_html/vendor/contao/manager-bundle/src/Security/Logout/LogoutHandler.php:21 Stack trace: #0 {main} thrown in /home/exklusivbeautysa/public_html/vendor/contao/manager-bundle/src/Security/Logout/LogoutHandler.php on line 21