Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Http\Authentication\AuthenticationSuccessHandlerInterface" not found in /home/astechc1/public_html/vendor/symfony/security-http/Authentication/CustomAuthenticationSuccessHandler.php:20 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/symfony/security-http/Authentication/CustomAuthenticationSuccessHandler.php on line 20