Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Header\AbstractHeader" not found in /home/jewejevb/public_html/frank/vendor/symfony/mime/Header/UnstructuredHeader.php:19 Stack trace: #0 {main} thrown in /home/jewejevb/public_html/frank/vendor/symfony/mime/Header/UnstructuredHeader.php on line 19