Fatal error: Uncaught Error: Interface "Symfony\Component\Mime\Header\HeaderInterface" not found in /mnt/HC_Volume_103237921/domhoste/pay.shunlocker.com/vendor/symfony/mime/Header/AbstractHeader.php:21 Stack trace: #0 {main} thrown in /mnt/HC_Volume_103237921/domhoste/pay.shunlocker.com/vendor/symfony/mime/Header/AbstractHeader.php on line 21