Fatal error: Uncaught Error: Class 'Symfony\Component\Security\Guard\AbstractGuardAuthenticator' not found in D:\workspaces\liZiPingBack\vendor\symfony\security-guard\Authenticator\AbstractFormLoginAuthenticator.php:25 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\symfony\security-guard\Authenticator\AbstractFormLoginAuthenticator.php on line 25