Fatal error: Uncaught Error: Using $this when not in object context in /var/www/html/var/cache/dev/ContainerDgrv2vf/getSwiftmailer_Mailer_Default_TransportService.php:8 Stack trace: #0 {main} thrown in /var/www/html/var/cache/dev/ContainerDgrv2vf/getSwiftmailer_Mailer_Default_TransportService.php on line 8