Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Transport\Smtp\Stream\AbstractStream" not found in /home/bimmertest/BookStack/vendor/ssddanbrown/symfony-mailer/Transport/Smtp/Stream/ProcessStream.php:24 Stack trace: #0 {main} thrown in /home/bimmertest/BookStack/vendor/ssddanbrown/symfony-mailer/Transport/Smtp/Stream/ProcessStream.php on line 24