( ! ) Fatal error: Interface 'Swift_Transport_Esmtp_Authenticator' not found in /var/www/clients/client0/web4/web/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/NTLMAuthenticator.php on line 18
Call Stack
#	Time	Memory	Function	Location
1	0.0000	362352	{main}( )	.../NTLMAuthenticator.php:0