Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Http\Authentication\AuthenticationSuccessHandlerInterface" not found in /var/www/apache/dev/cal/web/vendor/symfony/security/Http/Authentication/CustomAuthenticationSuccessHandler.php:20 Stack trace: #0 {main} thrown in /var/www/apache/dev/cal/web/vendor/symfony/security/Http/Authentication/CustomAuthenticationSuccessHandler.php on line 20