Fatal error: Uncaught Error: Using $this when not in object context in C:\xampp\htdocs\BK\bateriasec\var\cache\dev\ContainerGU9b8L4\getSwiftmailer_Mailer_DefaultService.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\BK\bateriasec\var\cache\dev\ContainerGU9b8L4\getSwiftmailer_Mailer_DefaultService.php on line 11