Fatal error: Uncaught Error: Interface "Symfony\Component\Mailer\Transport\Smtp\Auth\AuthenticatorInterface" not found in /home1/aihika/public_html/elephant-society/vendor_old/symfony/mailer/Transport/Smtp/Auth/PlainAuthenticator.php:21 Stack trace: #0 {main} thrown in /home1/aihika/public_html/elephant-society/vendor_old/symfony/mailer/Transport/Smtp/Auth/PlainAuthenticator.php on line 21