Fatal error: Uncaught Error: Using $this when not in object context in /home/itrave/dev.etravel.cm/api6/var/cache/dev/ContainerCwotqwn/getSwiftmailer_EmailSender_ListenerService.php:8 Stack trace: #0 {main} thrown in /home/itrave/dev.etravel.cm/api6/var/cache/dev/ContainerCwotqwn/getSwiftmailer_EmailSender_ListenerService.php on line 8