Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Header\AbstractHeader" not found in /home/v2appclykk/public_html/ClykkV02/customer_alerts/vendor/symfony/mime/Header/IdentificationHeader.php:22 Stack trace: #0 {main} thrown in /home/v2appclykk/public_html/ClykkV02/customer_alerts/vendor/symfony/mime/Header/IdentificationHeader.php on line 22