Fatal error: Uncaught Error: Using $this when not in object context in C:\xampp\htdocs\BK\bateriasec\var\cache\dev\ContainerGU9b8L4\getSwiftmailer_Mailer_Default_Transport_RealService.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\BK\bateriasec\var\cache\dev\ContainerGU9b8L4\getSwiftmailer_Mailer_Default_Transport_RealService.php on line 14