Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Http\Authentication\AuthenticationSuccessHandlerInterface" not found in /var/www/html/demo.ininli.ca/releases/16/vendor/symfony/security-http/Authentication/CustomAuthenticationSuccessHandler.php:20 Stack trace: #0 {main} thrown in /var/www/html/demo.ininli.ca/releases/16/vendor/symfony/security-http/Authentication/CustomAuthenticationSuccessHandler.php on line 20