Fatal error: Uncaught Error: Interface 'Symfony\Component\Security\Http\Authentication\AuthenticationSuccessHandlerInterface' not found in /home/itscm/dev.its.cm/itsgateway/vendor/symfony/security-http/Authentication/CustomAuthenticationSuccessHandler.php:20 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/itsgateway/vendor/symfony/security-http/Authentication/CustomAuthenticationSuccessHandler.php on line 20