Fatal error: Uncaught Error: Interface "Symfony\Component\Mailer\Transport\TransportInterface" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\symfony\mailer\Transport\AbstractTransport.php:31 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\symfony\mailer\Transport\AbstractTransport.php on line 31