Fatal error: Uncaught Error: Class 'Swift_Mime_Headers_AbstractHeader' not found in /home/almasai/www/people/_old_site/vendor/swiftmailer/lib/classes/Swift/Mime/Headers/PathHeader.php:18 Stack trace: #0 {main} thrown in /home/almasai/www/people/_old_site/vendor/swiftmailer/lib/classes/Swift/Mime/Headers/PathHeader.php on line 18