[31-Aug-2020 22:12:23 UTC] PHP Fatal error:  Interface 'Swift_Transport_Esmtp_Authenticator' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/NTLMAuthenticator.php on line 18
[31-Aug-2020 22:12:59 UTC] PHP Fatal error:  Interface 'Swift_Transport_Esmtp_Authenticator' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/CramMd5Authenticator.php on line 16
[31-Aug-2020 22:19:53 UTC] PHP Fatal error:  Interface 'Swift_Transport_Esmtp_Authenticator' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/LoginAuthenticator.php on line 16
[31-Aug-2020 22:23:24 UTC] PHP Fatal error:  Interface 'Swift_Transport_Esmtp_Authenticator' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/XOAuth2Authenticator.php on line 26
[31-Aug-2020 22:23:26 UTC] PHP Fatal error:  Interface 'Swift_Transport_Esmtp_Authenticator' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/PlainAuthenticator.php on line 16
