Fatal error: Uncaught Error: Interface "Symfony\Component\Mailer\MailerInterface" not found in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\symfony\mailer\Mailer.php:26 Stack trace: #0 {main} thrown in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\symfony\mailer\Mailer.php on line 26