Fatal error: Uncaught Error: Class 'Symfony\Component\Security\Core\Authentication\Provider\UserAuthenticationProvider' not found in D:\workspaces\liZiPingBack\vendor\symfony\security-core\Authentication\Provider\LdapBindAuthenticationProvider.php:31 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\symfony\security-core\Authentication\Provider\LdapBindAuthenticationProvider.php on line 31