Fatal error: Uncaught Error: Class 'Symfony\Component\Security\Core\Encoder\BasePasswordEncoder' not found in D:\workspaces\liZiPingBack\vendor\symfony\security-core\Encoder\Pbkdf2PasswordEncoder.php:29 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\symfony\security-core\Encoder\Pbkdf2PasswordEncoder.php on line 29