Fatal error: Uncaught Error: Interface 'Symfony\Component\Mailer\Transport\TransportInterface' not found in D:\workspaces\liZiPingBack\vendor\symfony\mailer\Transport\AbstractTransport.php:27 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\symfony\mailer\Transport\AbstractTransport.php on line 27